Home / 10,095,309.80-15,142,964.70-9,087,540.20

Finding the Fourth Proportional to 10,095,309.80, 15,142,964.70 and 9,087,540.20

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Solution

The fourth proportional to 10,095,309.80, 15,142,964.70 and 9,087,540.20 is: 13,631,310.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,095,309.80 : 15,142,964.70 = 9,087,540.20 : x
  2. Step 2: Convert to fraction form
    10,095,309.80/15,142,964.70 = 9,087,540.20/x
  3. Step 3: Cross multiply
    10,095,309.80x = 15,142,964.70 × 9,087,540.20
  4. Step 4: Simplify right side
    10,095,309.80x = 137,612,300,458,430.92
  5. Step 5: Solve for x
    x = 137,612,300,458,430.92/10,095,309.80
  6. Step 6: Final answer
    x = 13,631,310.30

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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.