Home / 15,000,455.76-20,699,554.14-8,805,753.96

Finding the Fourth Proportional to 15,000,455.76, 20,699,554.14 and 8,805,753.96

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Solution

The fourth proportional to 15,000,455.76, 20,699,554.14 and 8,805,753.96 is: 12,151,309.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000,455.76 : 20,699,554.14 = 8,805,753.96 : x
  2. Step 2: Convert to fraction form
    15,000,455.76/20,699,554.14 = 8,805,753.96/x
  3. Step 3: Cross multiply
    15,000,455.76x = 20,699,554.14 × 8,805,753.96
  4. Step 4: Simplify right side
    15,000,455.76x = 182,275,180,838,539.41
  5. Step 5: Solve for x
    x = 182,275,180,838,539.41/15,000,455.76
  6. Step 6: Final answer
    x = 12,151,309.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.