Home / 12,710,390.68-17,536,308.06-7,884,294.04

Finding the Fourth Proportional to 12,710,390.68, 17,536,308.06 and 7,884,294.04

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Solution

The fourth proportional to 12,710,390.68, 17,536,308.06 and 7,884,294.04 is: 10,877,825.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,710,390.68 : 17,536,308.06 = 7,884,294.04 : x
  2. Step 2: Convert to fraction form
    12,710,390.68/17,536,308.06 = 7,884,294.04/x
  3. Step 3: Cross multiply
    12,710,390.68x = 17,536,308.06 × 7,884,294.04
  4. Step 4: Simplify right side
    12,710,390.68x = 138,261,409,121,061.95
  5. Step 5: Solve for x
    x = 138,261,409,121,061.95/12,710,390.68
  6. Step 6: Final answer
    x = 10,877,825.28

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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.