Home / 20,888,909.10-31,333,363.65-16,353,945.90

Finding the Fourth Proportional to 20,888,909.10, 31,333,363.65 and 16,353,945.90

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Solution

The fourth proportional to 20,888,909.10, 31,333,363.65 and 16,353,945.90 is: 24,530,918.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,888,909.10 : 31,333,363.65 = 16,353,945.90 : x
  2. Step 2: Convert to fraction form
    20,888,909.10/31,333,363.65 = 16,353,945.90/x
  3. Step 3: Cross multiply
    20,888,909.10x = 31,333,363.65 × 16,353,945.90
  4. Step 4: Simplify right side
    20,888,909.10x = 512,424,133,997,126.50
  5. Step 5: Solve for x
    x = 512,424,133,997,126.50/20,888,909.10
  6. Step 6: Final answer
    x = 24,530,918.85

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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.