Home / 38,998,097.10-53,816,714.87-21,594,068.66

Finding the Fourth Proportional to 38,998,097.10, 53,816,714.87 and 21,594,068.66

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Solution

The fourth proportional to 38,998,097.10, 53,816,714.87 and 21,594,068.66 is: 29,799,449.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,998,097.10 : 53,816,714.87 = 21,594,068.66 : x
  2. Step 2: Convert to fraction form
    38,998,097.10/53,816,714.87 = 21,594,068.66/x
  3. Step 3: Cross multiply
    38,998,097.10x = 53,816,714.87 × 21,594,068.66
  4. Step 4: Simplify right side
    38,998,097.10x = 1,162,121,835,984,994.50
  5. Step 5: Solve for x
    x = 1,162,121,835,984,994.50/38,998,097.10
  6. Step 6: Final answer
    x = 29,799,449.78

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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.