Home / 8,383,040.40-12,574,560.60-7,887,028.80

Finding the Fourth Proportional to 8,383,040.40, 12,574,560.60 and 7,887,028.80

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Solution

The fourth proportional to 8,383,040.40, 12,574,560.60 and 7,887,028.80 is: 11,830,543.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383,040.40 : 12,574,560.60 = 7,887,028.80 : x
  2. Step 2: Convert to fraction form
    8,383,040.40/12,574,560.60 = 7,887,028.80/x
  3. Step 3: Cross multiply
    8,383,040.40x = 12,574,560.60 × 7,887,028.80
  4. Step 4: Simplify right side
    8,383,040.40x = 99,175,921,599,545.28
  5. Step 5: Solve for x
    x = 99,175,921,599,545.28/8,383,040.40
  6. Step 6: Final answer
    x = 11,830,543.20

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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.