Home / 8,352,040.40-12,528,060.60-5,146,773.20

Finding the Fourth Proportional to 8,352,040.40, 12,528,060.60 and 5,146,773.20

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Solution

The fourth proportional to 8,352,040.40, 12,528,060.60 and 5,146,773.20 is: 7,720,159.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352,040.40 : 12,528,060.60 = 5,146,773.20 : x
  2. Step 2: Convert to fraction form
    8,352,040.40/12,528,060.60 = 5,146,773.20/x
  3. Step 3: Cross multiply
    8,352,040.40x = 12,528,060.60 × 5,146,773.20
  4. Step 4: Simplify right side
    8,352,040.40x = 64,479,086,544,055.92
  5. Step 5: Solve for x
    x = 64,479,086,544,055.92/8,352,040.40
  6. Step 6: Final answer
    x = 7,720,159.80

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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.