Home / 10,348,906.70-15,523,360.05-10,278,047.90

Finding the Fourth Proportional to 10,348,906.70, 15,523,360.05 and 10,278,047.90

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Solution

The fourth proportional to 10,348,906.70, 15,523,360.05 and 10,278,047.90 is: 15,417,071.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348,906.70 : 15,523,360.05 = 10,278,047.90 : x
  2. Step 2: Convert to fraction form
    10,348,906.70/15,523,360.05 = 10,278,047.90/x
  3. Step 3: Cross multiply
    10,348,906.70x = 15,523,360.05 × 10,278,047.90
  4. Step 4: Simplify right side
    10,348,906.70x = 159,549,838,162,846.41
  5. Step 5: Solve for x
    x = 159,549,838,162,846.41/10,348,906.70
  6. Step 6: Final answer
    x = 15,417,071.85

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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.