Home / 21,677,517.30-29,912,224.47-11,885,384.76

Finding the Fourth Proportional to 21,677,517.30, 29,912,224.47 and 11,885,384.76

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Solution

The fourth proportional to 21,677,517.30, 29,912,224.47 and 11,885,384.76 is: 16,400,323.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,677,517.30 : 29,912,224.47 = 11,885,384.76 : x
  2. Step 2: Convert to fraction form
    21,677,517.30/29,912,224.47 = 11,885,384.76/x
  3. Step 3: Cross multiply
    21,677,517.30x = 29,912,224.47 × 11,885,384.76
  4. Step 4: Simplify right side
    21,677,517.30x = 355,518,296,853,437.06
  5. Step 5: Solve for x
    x = 355,518,296,853,437.06/21,677,517.30
  6. Step 6: Final answer
    x = 16,400,323.52

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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.