Home / 20,884,002.16-28,821,658.98-11,592,445.18

Finding the Fourth Proportional to 20,884,002.16, 28,821,658.98 and 11,592,445.18

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Solution

The fourth proportional to 20,884,002.16, 28,821,658.98 and 11,592,445.18 is: 15,998,537.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,884,002.16 : 28,821,658.98 = 11,592,445.18 : x
  2. Step 2: Convert to fraction form
    20,884,002.16/28,821,658.98 = 11,592,445.18/x
  3. Step 3: Cross multiply
    20,884,002.16x = 28,821,658.98 × 11,592,445.18
  4. Step 4: Simplify right side
    20,884,002.16x = 334,113,501,722,304.69
  5. Step 5: Solve for x
    x = 334,113,501,722,304.69/20,884,002.16
  6. Step 6: Final answer
    x = 15,998,537.98

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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.