Home / 13,310,158.50-18,368,018.82-7,198,587

Finding the Fourth Proportional to 13,310,158.50, 18,368,018.82 and 7,198,587

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Solution

The fourth proportional to 13,310,158.50, 18,368,018.82 and 7,198,587 is: 9,934,050.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310,158.50 : 18,368,018.82 = 7,198,587 : x
  2. Step 2: Convert to fraction form
    13,310,158.50/18,368,018.82 = 7,198,587/x
  3. Step 3: Cross multiply
    13,310,158.50x = 18,368,018.82 × 7,198,587
  4. Step 4: Simplify right side
    13,310,158.50x = 132,223,781,493,407.34
  5. Step 5: Solve for x
    x = 132,223,781,493,407.34/13,310,158.50
  6. Step 6: Final answer
    x = 9,934,050.11

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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.