Home / 10,138,965.92-15,240,335.34-8,807,706.20

Finding the Fourth Proportional to 10,138,965.92, 15,240,335.34 and 8,807,706.20

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Solution

The fourth proportional to 10,138,965.92, 15,240,335.34 and 8,807,706.20 is: 13,239,259.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,138,965.92 : 15,240,335.34 = 8,807,706.20 : x
  2. Step 2: Convert to fraction form
    10,138,965.92/15,240,335.34 = 8,807,706.20/x
  3. Step 3: Cross multiply
    10,138,965.92x = 15,240,335.34 × 8,807,706.20
  4. Step 4: Simplify right side
    10,138,965.92x = 134,232,396,064,197.09
  5. Step 5: Solve for x
    x = 134,232,396,064,197.09/10,138,965.92
  6. Step 6: Final answer
    x = 13,239,259.03

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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.