Home / 10,348,905.20-15,523,357.80-10,278,046.40

Finding the Fourth Proportional to 10,348,905.20, 15,523,357.80 and 10,278,046.40

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Solution

The fourth proportional to 10,348,905.20, 15,523,357.80 and 10,278,046.40 is: 15,417,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348,905.20 : 15,523,357.80 = 10,278,046.40 : x
  2. Step 2: Convert to fraction form
    10,348,905.20/15,523,357.80 = 10,278,046.40/x
  3. Step 3: Cross multiply
    10,348,905.20x = 15,523,357.80 × 10,278,046.40
  4. Step 4: Simplify right side
    10,348,905.20x = 159,549,791,752,201.94
  5. Step 5: Solve for x
    x = 159,549,791,752,201.94/10,348,905.20
  6. Step 6: Final answer
    x = 15,417,069.60

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1.5x scale

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.