Home / 25,560,276.40-38,340,414.60-18,841,812.40

Finding the Fourth Proportional to 25,560,276.40, 38,340,414.60 and 18,841,812.40

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Solution

The fourth proportional to 25,560,276.40, 38,340,414.60 and 18,841,812.40 is: 28,262,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,560,276.40 : 38,340,414.60 = 18,841,812.40 : x
  2. Step 2: Convert to fraction form
    25,560,276.40/38,340,414.60 = 18,841,812.40/x
  3. Step 3: Cross multiply
    25,560,276.40x = 38,340,414.60 × 18,841,812.40
  4. Step 4: Simplify right side
    25,560,276.40x = 722,402,899,231,421
  5. Step 5: Solve for x
    x = 722,402,899,231,421/25,560,276.40
  6. Step 6: Final answer
    x = 28,262,718.60

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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.