Home / 8,064,994.80-12,097,492.20-7,449,135.60

Finding the Fourth Proportional to 8,064,994.80, 12,097,492.20 and 7,449,135.60

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Solution

The fourth proportional to 8,064,994.80, 12,097,492.20 and 7,449,135.60 is: 11,173,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064,994.80 : 12,097,492.20 = 7,449,135.60 : x
  2. Step 2: Convert to fraction form
    8,064,994.80/12,097,492.20 = 7,449,135.60/x
  3. Step 3: Cross multiply
    8,064,994.80x = 12,097,492.20 × 7,449,135.60
  4. Step 4: Simplify right side
    8,064,994.80x = 90,115,859,817,742.31
  5. Step 5: Solve for x
    x = 90,115,859,817,742.31/8,064,994.80
  6. Step 6: Final answer
    x = 11,173,703.40

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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.