Home / 15,087,799.04-20,825,167.52-9,291,440.64

Finding the Fourth Proportional to 15,087,799.04, 20,825,167.52 and 9,291,440.64

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Solution

The fourth proportional to 15,087,799.04, 20,825,167.52 and 9,291,440.64 is: 12,824,654.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,087,799.04 : 20,825,167.52 = 9,291,440.64 : x
  2. Step 2: Convert to fraction form
    15,087,799.04/20,825,167.52 = 9,291,440.64/x
  3. Step 3: Cross multiply
    15,087,799.04x = 20,825,167.52 × 9,291,440.64
  4. Step 4: Simplify right side
    15,087,799.04x = 193,495,807,830,136.03
  5. Step 5: Solve for x
    x = 193,495,807,830,136.03/15,087,799.04
  6. Step 6: Final answer
    x = 12,824,654.37

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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.