Home / 28,774,030.08-39,707,691.76-15,721,008.04

Finding the Fourth Proportional to 28,774,030.08, 39,707,691.76 and 15,721,008.04

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Solution

The fourth proportional to 28,774,030.08, 39,707,691.76 and 15,721,008.04 is: 21,694,734.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,774,030.08 : 39,707,691.76 = 15,721,008.04 : x
  2. Step 2: Convert to fraction form
    28,774,030.08/39,707,691.76 = 15,721,008.04/x
  3. Step 3: Cross multiply
    28,774,030.08x = 39,707,691.76 × 15,721,008.04
  4. Step 4: Simplify right side
    28,774,030.08x = 624,244,941,408,801.62
  5. Step 5: Solve for x
    x = 624,244,941,408,801.62/28,774,030.08
  6. Step 6: Final answer
    x = 21,694,734.44

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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.