Home / 14,201,979.70-21,260,979.15-13,371,502.90

Finding the Fourth Proportional to 14,201,979.70, 21,260,979.15 and 13,371,502.90

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Solution

The fourth proportional to 14,201,979.70, 21,260,979.15 and 13,371,502.90 is: 20,017,719.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,201,979.70 : 21,260,979.15 = 13,371,502.90 : x
  2. Step 2: Convert to fraction form
    14,201,979.70/21,260,979.15 = 13,371,502.90/x
  3. Step 3: Cross multiply
    14,201,979.70x = 21,260,979.15 × 13,371,502.90
  4. Step 4: Simplify right side
    14,201,979.70x = 284,291,244,361,064.50
  5. Step 5: Solve for x
    x = 284,291,244,361,064.50/14,201,979.70
  6. Step 6: Final answer
    x = 20,017,719.39

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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.