Home / 10,323,921.60-15,487,949.52-5,781,430.26

Finding the Fourth Proportional to 10,323,921.60, 15,487,949.52 and 5,781,430.26

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Solution

The fourth proportional to 10,323,921.60, 15,487,949.52 and 5,781,430.26 is: 8,673,302.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,323,921.60 : 15,487,949.52 = 5,781,430.26 : x
  2. Step 2: Convert to fraction form
    10,323,921.60/15,487,949.52 = 5,781,430.26/x
  3. Step 3: Cross multiply
    10,323,921.60x = 15,487,949.52 × 5,781,430.26
  4. Step 4: Simplify right side
    10,323,921.60x = 89,542,500,020,280.47
  5. Step 5: Solve for x
    x = 89,542,500,020,280.47/10,323,921.60
  6. Step 6: Final answer
    x = 8,673,302.98

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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.