Home / 10,890,044.10-16,335,066.15-9,189,432.90

Finding the Fourth Proportional to 10,890,044.10, 16,335,066.15 and 9,189,432.90

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Solution

The fourth proportional to 10,890,044.10, 16,335,066.15 and 9,189,432.90 is: 13,784,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890,044.10 : 16,335,066.15 = 9,189,432.90 : x
  2. Step 2: Convert to fraction form
    10,890,044.10/16,335,066.15 = 9,189,432.90/x
  3. Step 3: Cross multiply
    10,890,044.10x = 16,335,066.15 × 9,189,432.90
  4. Step 4: Simplify right side
    10,890,044.10x = 150,109,994,302,486.34
  5. Step 5: Solve for x
    x = 150,109,994,302,486.34/10,890,044.10
  6. Step 6: Final answer
    x = 13,784,149.35

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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.