Home / 12,392,994.80-18,589,492.20-10,001,510.30

Finding the Fourth Proportional to 12,392,994.80, 18,589,492.20 and 10,001,510.30

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Solution

The fourth proportional to 12,392,994.80, 18,589,492.20 and 10,001,510.30 is: 15,002,265.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392,994.80 : 18,589,492.20 = 10,001,510.30 : x
  2. Step 2: Convert to fraction form
    12,392,994.80/18,589,492.20 = 10,001,510.30/x
  3. Step 3: Cross multiply
    12,392,994.80x = 18,589,492.20 × 10,001,510.30
  4. Step 4: Simplify right side
    12,392,994.80x = 185,922,997,710,069.66
  5. Step 5: Solve for x
    x = 185,922,997,710,069.66/12,392,994.80
  6. Step 6: Final answer
    x = 15,002,265.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.