Home / 10,314,821.80-15,472,232.70-8,047,340.20

Finding the Fourth Proportional to 10,314,821.80, 15,472,232.70 and 8,047,340.20

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Solution

The fourth proportional to 10,314,821.80, 15,472,232.70 and 8,047,340.20 is: 12,071,010.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,314,821.80 : 15,472,232.70 = 8,047,340.20 : x
  2. Step 2: Convert to fraction form
    10,314,821.80/15,472,232.70 = 8,047,340.20/x
  3. Step 3: Cross multiply
    10,314,821.80x = 15,472,232.70 × 8,047,340.20
  4. Step 4: Simplify right side
    10,314,821.80x = 124,510,320,190,464.53
  5. Step 5: Solve for x
    x = 124,510,320,190,464.53/10,314,821.80
  6. Step 6: Final answer
    x = 12,071,010.30

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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.