Home / 20,404,746.55-28,158,273.85-11,584,117.68

Finding the Fourth Proportional to 20,404,746.55, 28,158,273.85 and 11,584,117.68

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Solution

The fourth proportional to 20,404,746.55, 28,158,273.85 and 11,584,117.68 is: 15,985,925.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,404,746.55 : 28,158,273.85 = 11,584,117.68 : x
  2. Step 2: Convert to fraction form
    20,404,746.55/28,158,273.85 = 11,584,117.68/x
  3. Step 3: Cross multiply
    20,404,746.55x = 28,158,273.85 × 11,584,117.68
  4. Step 4: Simplify right side
    20,404,746.55x = 326,188,757,944,066.69
  5. Step 5: Solve for x
    x = 326,188,757,944,066.69/20,404,746.55
  6. Step 6: Final answer
    x = 15,985,925.49

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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.