Home / 12,128,003.10-18,192,004.65-4,935,834.90

Finding the Fourth Proportional to 12,128,003.10, 18,192,004.65 and 4,935,834.90

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Solution

The fourth proportional to 12,128,003.10, 18,192,004.65 and 4,935,834.90 is: 7,403,752.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,128,003.10 : 18,192,004.65 = 4,935,834.90 : x
  2. Step 2: Convert to fraction form
    12,128,003.10/18,192,004.65 = 4,935,834.90/x
  3. Step 3: Cross multiply
    12,128,003.10x = 18,192,004.65 × 4,935,834.90
  4. Step 4: Simplify right side
    12,128,003.10x = 89,792,731,452,432.28
  5. Step 5: Solve for x
    x = 89,792,731,452,432.28/12,128,003.10
  6. Step 6: Final answer
    x = 7,403,752.35

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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.