Home / 14,279,030.10-21,418,545.15-13,657,047.30

Finding the Fourth Proportional to 14,279,030.10, 21,418,545.15 and 13,657,047.30

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Solution

The fourth proportional to 14,279,030.10, 21,418,545.15 and 13,657,047.30 is: 20,485,570.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279,030.10 : 21,418,545.15 = 13,657,047.30 : x
  2. Step 2: Convert to fraction form
    14,279,030.10/21,418,545.15 = 13,657,047.30/x
  3. Step 3: Cross multiply
    14,279,030.10x = 21,418,545.15 × 13,657,047.30
  4. Step 4: Simplify right side
    14,279,030.10x = 292,514,084,210,735.56
  5. Step 5: Solve for x
    x = 292,514,084,210,735.56/14,279,030.10
  6. Step 6: Final answer
    x = 20,485,570.95

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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.