Home / 10,156,302.40-14,015,714.16-5,572,658.20

Finding the Fourth Proportional to 10,156,302.40, 14,015,714.16 and 5,572,658.20

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Solution

The fourth proportional to 10,156,302.40, 14,015,714.16 and 5,572,658.20 is: 7,690,277.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156,302.40 : 14,015,714.16 = 5,572,658.20 : x
  2. Step 2: Convert to fraction form
    10,156,302.40/14,015,714.16 = 5,572,658.20/x
  3. Step 3: Cross multiply
    10,156,302.40x = 14,015,714.16 × 5,572,658.20
  4. Step 4: Simplify right side
    10,156,302.40x = 78,104,784,442,580.11
  5. Step 5: Solve for x
    x = 78,104,784,442,580.11/10,156,302.40
  6. Step 6: Final answer
    x = 7,690,277.56

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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.