Home / 8,853,762.80-13,280,644.20-7,258,127.60

Finding the Fourth Proportional to 8,853,762.80, 13,280,644.20 and 7,258,127.60

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Solution

The fourth proportional to 8,853,762.80, 13,280,644.20 and 7,258,127.60 is: 10,887,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853,762.80 : 13,280,644.20 = 7,258,127.60 : x
  2. Step 2: Convert to fraction form
    8,853,762.80/13,280,644.20 = 7,258,127.60/x
  3. Step 3: Cross multiply
    8,853,762.80x = 13,280,644.20 × 7,258,127.60
  4. Step 4: Simplify right side
    8,853,762.80x = 96,392,610,213,799.91
  5. Step 5: Solve for x
    x = 96,392,610,213,799.91/8,853,762.80
  6. Step 6: Final answer
    x = 10,887,191.40

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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.