Home / 18,209,650.15-25,128,569.37-9,949,996

Finding the Fourth Proportional to 18,209,650.15, 25,128,569.37 and 9,949,996

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Solution

The fourth proportional to 18,209,650.15, 25,128,569.37 and 9,949,996 is: 13,730,585.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,209,650.15 : 25,128,569.37 = 9,949,996 : x
  2. Step 2: Convert to fraction form
    18,209,650.15/25,128,569.37 = 9,949,996/x
  3. Step 3: Cross multiply
    18,209,650.15x = 25,128,569.37 × 9,949,996
  4. Step 4: Simplify right side
    18,209,650.15x = 250,029,164,717,222.53
  5. Step 5: Solve for x
    x = 250,029,164,717,222.53/18,209,650.15
  6. Step 6: Final answer
    x = 13,730,585.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.