Home / 10,495,959.60-15,743,939.40-5,187,543.60

Finding the Fourth Proportional to 10,495,959.60, 15,743,939.40 and 5,187,543.60

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Solution

The fourth proportional to 10,495,959.60, 15,743,939.40 and 5,187,543.60 is: 7,781,315.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,495,959.60 : 15,743,939.40 = 5,187,543.60 : x
  2. Step 2: Convert to fraction form
    10,495,959.60/15,743,939.40 = 5,187,543.60/x
  3. Step 3: Cross multiply
    10,495,959.60x = 15,743,939.40 × 5,187,543.60
  4. Step 4: Simplify right side
    10,495,959.60x = 81,672,372,073,257.84
  5. Step 5: Solve for x
    x = 81,672,372,073,257.84/10,495,959.60
  6. Step 6: Final answer
    x = 7,781,315.40

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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.