Home / 15,277,642.96-21,082,726.56-8,402,127.52

Finding the Fourth Proportional to 15,277,642.96, 21,082,726.56 and 8,402,127.52

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Solution

The fourth proportional to 15,277,642.96, 21,082,726.56 and 8,402,127.52 is: 11,594,704.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,277,642.96 : 21,082,726.56 = 8,402,127.52 : x
  2. Step 2: Convert to fraction form
    15,277,642.96/21,082,726.56 = 8,402,127.52/x
  3. Step 3: Cross multiply
    15,277,642.96x = 21,082,726.56 × 8,402,127.52
  4. Step 4: Simplify right side
    15,277,642.96x = 177,139,757,026,410.91
  5. Step 5: Solve for x
    x = 177,139,757,026,410.91/15,277,642.96
  6. Step 6: Final answer
    x = 11,594,704.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.