Home / 10,890,041.10-16,335,061.65-9,189,429.90

Finding the Fourth Proportional to 10,890,041.10, 16,335,061.65 and 9,189,429.90

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Solution

The fourth proportional to 10,890,041.10, 16,335,061.65 and 9,189,429.90 is: 13,784,144.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890,041.10 : 16,335,061.65 = 9,189,429.90 : x
  2. Step 2: Convert to fraction form
    10,890,041.10/16,335,061.65 = 9,189,429.90/x
  3. Step 3: Cross multiply
    10,890,041.10x = 16,335,061.65 × 9,189,429.90
  4. Step 4: Simplify right side
    10,890,041.10x = 150,109,903,944,853.34
  5. Step 5: Solve for x
    x = 150,109,903,944,853.34/10,890,041.10
  6. Step 6: Final answer
    x = 13,784,144.85

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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.