Home / 14,279,021.10-21,418,531.65-13,657,038.30

Finding the Fourth Proportional to 14,279,021.10, 21,418,531.65 and 13,657,038.30

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Solution

The fourth proportional to 14,279,021.10, 21,418,531.65 and 13,657,038.30 is: 20,485,557.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279,021.10 : 21,418,531.65 = 13,657,038.30 : x
  2. Step 2: Convert to fraction form
    14,279,021.10/21,418,531.65 = 13,657,038.30/x
  3. Step 3: Cross multiply
    14,279,021.10x = 21,418,531.65 × 13,657,038.30
  4. Step 4: Simplify right side
    14,279,021.10x = 292,513,707,073,812.19
  5. Step 5: Solve for x
    x = 292,513,707,073,812.19/14,279,021.10
  6. Step 6: Final answer
    x = 20,485,557.45

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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.