Home / 28,335,425.60-42,534,631.20-15,580,841.60

Finding the Fourth Proportional to 28,335,425.60, 42,534,631.20 and 15,580,841.60

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Solution

The fourth proportional to 28,335,425.60, 42,534,631.20 and 15,580,841.60 is: 23,388,579.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,335,425.60 : 42,534,631.20 = 15,580,841.60 : x
  2. Step 2: Convert to fraction form
    28,335,425.60/42,534,631.20 = 15,580,841.60/x
  3. Step 3: Cross multiply
    28,335,425.60x = 42,534,631.20 × 15,580,841.60
  4. Step 4: Simplify right side
    28,335,425.60x = 662,725,351,241,618
  5. Step 5: Solve for x
    x = 662,725,351,241,618/28,335,425.60
  6. Step 6: Final answer
    x = 23,388,579.39

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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.