Home / 28,653,298.80-42,979,948.20-25,518,015.60

Finding the Fourth Proportional to 28,653,298.80, 42,979,948.20 and 25,518,015.60

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Solution

The fourth proportional to 28,653,298.80, 42,979,948.20 and 25,518,015.60 is: 38,277,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,653,298.80 : 42,979,948.20 = 25,518,015.60 : x
  2. Step 2: Convert to fraction form
    28,653,298.80/42,979,948.20 = 25,518,015.60/x
  3. Step 3: Cross multiply
    28,653,298.80x = 42,979,948.20 × 25,518,015.60
  4. Step 4: Simplify right side
    28,653,298.80x = 1,096,762,988,654,792
  5. Step 5: Solve for x
    x = 1,096,762,988,654,792/28,653,298.80
  6. Step 6: Final answer
    x = 38,277,023.40

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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.