Home / 12,210,823.98-18,299,015.96-6,748,378.61

Finding the Fourth Proportional to 12,210,823.98, 18,299,015.96 and 6,748,378.61

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Solution

The fourth proportional to 12,210,823.98, 18,299,015.96 and 6,748,378.61 is: 10,113,051.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,210,823.98 : 18,299,015.96 = 6,748,378.61 : x
  2. Step 2: Convert to fraction form
    12,210,823.98/18,299,015.96 = 6,748,378.61/x
  3. Step 3: Cross multiply
    12,210,823.98x = 18,299,015.96 × 6,748,378.61
  4. Step 4: Simplify right side
    12,210,823.98x = 123,488,687,763,275.64
  5. Step 5: Solve for x
    x = 123,488,687,763,275.64/12,210,823.98
  6. Step 6: Final answer
    x = 10,113,051.17

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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.