Home / 14,037,780.72-21,056,668.20-7,653,402.48

Finding the Fourth Proportional to 14,037,780.72, 21,056,668.20 and 7,653,402.48

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Solution

The fourth proportional to 14,037,780.72, 21,056,668.20 and 7,653,402.48 is: 11,480,102.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,037,780.72 : 21,056,668.20 = 7,653,402.48 : x
  2. Step 2: Convert to fraction form
    14,037,780.72/21,056,668.20 = 7,653,402.48/x
  3. Step 3: Cross multiply
    14,037,780.72x = 21,056,668.20 × 7,653,402.48
  4. Step 4: Simplify right side
    14,037,780.72x = 161,155,156,622,417.12
  5. Step 5: Solve for x
    x = 161,155,156,622,417.12/14,037,780.72
  6. Step 6: Final answer
    x = 11,480,102.15

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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.