Home / 10,206,821.70-15,310,232.55-9,011,079.45

Finding the Fourth Proportional to 10,206,821.70, 15,310,232.55 and 9,011,079.45

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Solution

The fourth proportional to 10,206,821.70, 15,310,232.55 and 9,011,079.45 is: 13,516,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206,821.70 : 15,310,232.55 = 9,011,079.45 : x
  2. Step 2: Convert to fraction form
    10,206,821.70/15,310,232.55 = 9,011,079.45/x
  3. Step 3: Cross multiply
    10,206,821.70x = 15,310,232.55 × 9,011,079.45
  4. Step 4: Simplify right side
    10,206,821.70x = 137,961,721,906,026.09
  5. Step 5: Solve for x
    x = 137,961,721,906,026.09/10,206,821.70
  6. Step 6: Final answer
    x = 13,516,619.18

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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.