Home / 13,775,932.49-20,666,888.17-4,191,061.91

Finding the Fourth Proportional to 13,775,932.49, 20,666,888.17 and 4,191,061.91

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Solution

The fourth proportional to 13,775,932.49, 20,666,888.17 and 4,191,061.91 is: 6,287,502.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,775,932.49 : 20,666,888.17 = 4,191,061.91 : x
  2. Step 2: Convert to fraction form
    13,775,932.49/20,666,888.17 = 4,191,061.91/x
  3. Step 3: Cross multiply
    13,775,932.49x = 20,666,888.17 × 4,191,061.91
  4. Step 4: Simplify right side
    13,775,932.49x = 86,616,207,807,516.61
  5. Step 5: Solve for x
    x = 86,616,207,807,516.61/13,775,932.49
  6. Step 6: Final answer
    x = 6,287,502.34

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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.