Home / 10,368,003.80-15,552,005.70-7,680,618.20

Finding the Fourth Proportional to 10,368,003.80, 15,552,005.70 and 7,680,618.20

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Solution

The fourth proportional to 10,368,003.80, 15,552,005.70 and 7,680,618.20 is: 11,520,927.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,003.80 : 15,552,005.70 = 7,680,618.20 : x
  2. Step 2: Convert to fraction form
    10,368,003.80/15,552,005.70 = 7,680,618.20/x
  3. Step 3: Cross multiply
    10,368,003.80x = 15,552,005.70 × 7,680,618.20
  4. Step 4: Simplify right side
    10,368,003.80x = 119,449,018,025,923.73
  5. Step 5: Solve for x
    x = 119,449,018,025,923.73/10,368,003.80
  6. Step 6: Final answer
    x = 11,520,927.30

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1.5x scale

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.