Home / 15,487,597.69-21,372,902.52-8,611,932.13

Finding the Fourth Proportional to 15,487,597.69, 21,372,902.52 and 8,611,932.13

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Solution

The fourth proportional to 15,487,597.69, 21,372,902.52 and 8,611,932.13 is: 11,884,476.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,487,597.69 : 21,372,902.52 = 8,611,932.13 : x
  2. Step 2: Convert to fraction form
    15,487,597.69/21,372,902.52 = 8,611,932.13/x
  3. Step 3: Cross multiply
    15,487,597.69x = 21,372,902.52 × 8,611,932.13
  4. Step 4: Simplify right side
    15,487,597.69x = 184,061,985,923,345.97
  5. Step 5: Solve for x
    x = 184,061,985,923,345.97/15,487,597.69
  6. Step 6: Final answer
    x = 11,884,476.19

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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.