Home / 10,368,052.80-15,552,079.20-7,120,795.20

Finding the Fourth Proportional to 10,368,052.80, 15,552,079.20 and 7,120,795.20

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Solution

The fourth proportional to 10,368,052.80, 15,552,079.20 and 7,120,795.20 is: 10,681,192.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,052.80 : 15,552,079.20 = 7,120,795.20 : x
  2. Step 2: Convert to fraction form
    10,368,052.80/15,552,079.20 = 7,120,795.20/x
  3. Step 3: Cross multiply
    10,368,052.80x = 15,552,079.20 × 7,120,795.20
  4. Step 4: Simplify right side
    10,368,052.80x = 110,743,170,917,379.84
  5. Step 5: Solve for x
    x = 110,743,170,917,379.84/10,368,052.80
  6. Step 6: Final answer
    x = 10,681,192.80

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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.