Home / 21,406,092.57-29,540,426.61-11,616,536.55

Finding the Fourth Proportional to 21,406,092.57, 29,540,426.61 and 11,616,536.55

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Solution

The fourth proportional to 21,406,092.57, 29,540,426.61 and 11,616,536.55 is: 16,030,830.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,406,092.57 : 29,540,426.61 = 11,616,536.55 : x
  2. Step 2: Convert to fraction form
    21,406,092.57/29,540,426.61 = 11,616,536.55/x
  3. Step 3: Cross multiply
    21,406,092.57x = 29,540,426.61 × 11,616,536.55
  4. Step 4: Simplify right side
    21,406,092.57x = 343,157,445,417,657.62
  5. Step 5: Solve for x
    x = 343,157,445,417,657.62/21,406,092.57
  6. Step 6: Final answer
    x = 16,030,830.68

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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.