Home / 10,890,065.40-16,335,098.10-9,189,454.20

Finding the Fourth Proportional to 10,890,065.40, 16,335,098.10 and 9,189,454.20

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Solution

The fourth proportional to 10,890,065.40, 16,335,098.10 and 9,189,454.20 is: 13,784,181.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890,065.40 : 16,335,098.10 = 9,189,454.20 : x
  2. Step 2: Convert to fraction form
    10,890,065.40/16,335,098.10 = 9,189,454.20/x
  3. Step 3: Cross multiply
    10,890,065.40x = 16,335,098.10 × 9,189,454.20
  4. Step 4: Simplify right side
    10,890,065.40x = 150,110,635,842,457
  5. Step 5: Solve for x
    x = 150,110,635,842,457/10,890,065.40
  6. Step 6: Final answer
    x = 13,784,181.30

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Similar ratio
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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.