Home / 38,998,098.60-53,816,716.93-21,594,070.16

Finding the Fourth Proportional to 38,998,098.60, 53,816,716.93 and 21,594,070.16

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Solution

The fourth proportional to 38,998,098.60, 53,816,716.93 and 21,594,070.16 is: 29,799,451.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,998,098.60 : 53,816,716.93 = 21,594,070.16 : x
  2. Step 2: Convert to fraction form
    38,998,098.60/53,816,716.93 = 21,594,070.16/x
  3. Step 3: Cross multiply
    38,998,098.60x = 53,816,716.93 × 21,594,070.16
  4. Step 4: Simplify right side
    38,998,098.60x = 1,162,121,961,167,279.75
  5. Step 5: Solve for x
    x = 1,162,121,961,167,279.75/38,998,098.60
  6. Step 6: Final answer
    x = 29,799,451.84

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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.