Home / 28,608,763.60-42,913,145.40-25,490,976.40

Finding the Fourth Proportional to 28,608,763.60, 42,913,145.40 and 25,490,976.40

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Solution

The fourth proportional to 28,608,763.60, 42,913,145.40 and 25,490,976.40 is: 38,236,464.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608,763.60 : 42,913,145.40 = 25,490,976.40 : x
  2. Step 2: Convert to fraction form
    28,608,763.60/42,913,145.40 = 25,490,976.40/x
  3. Step 3: Cross multiply
    28,608,763.60x = 42,913,145.40 × 25,490,976.40
  4. Step 4: Simplify right side
    28,608,763.60x = 1,093,897,976,641,168.50
  5. Step 5: Solve for x
    x = 1,093,897,976,641,168.50/28,608,763.60
  6. Step 6: Final answer
    x = 38,236,464.60

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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.