Home / 28,367,287.20-42,550,930.80-17,001,885.60

Finding the Fourth Proportional to 28,367,287.20, 42,550,930.80 and 17,001,885.60

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Solution

The fourth proportional to 28,367,287.20, 42,550,930.80 and 17,001,885.60 is: 25,502,828.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,367,287.20 : 42,550,930.80 = 17,001,885.60 : x
  2. Step 2: Convert to fraction form
    28,367,287.20/42,550,930.80 = 17,001,885.60/x
  3. Step 3: Cross multiply
    28,367,287.20x = 42,550,930.80 × 17,001,885.60
  4. Step 4: Simplify right side
    28,367,287.20x = 723,446,057,635,116.50
  5. Step 5: Solve for x
    x = 723,446,057,635,116.50/28,367,287.20
  6. Step 6: Final answer
    x = 25,502,828.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.