Home / 14,920,710.48-20,588,753.76-9,412,017.12

Finding the Fourth Proportional to 14,920,710.48, 20,588,753.76 and 9,412,017.12

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Solution

The fourth proportional to 14,920,710.48, 20,588,753.76 and 9,412,017.12 is: 12,987,431.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,920,710.48 : 20,588,753.76 = 9,412,017.12 : x
  2. Step 2: Convert to fraction form
    14,920,710.48/20,588,753.76 = 9,412,017.12/x
  3. Step 3: Cross multiply
    14,920,710.48x = 20,588,753.76 × 9,412,017.12
  4. Step 4: Simplify right side
    14,920,710.48x = 193,781,702,868,584.38
  5. Step 5: Solve for x
    x = 193,781,702,868,584.38/14,920,710.48
  6. Step 6: Final answer
    x = 12,987,431.34

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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.