Home / 8,658,244.20-13,018,859.10-8,469,287.40

Finding the Fourth Proportional to 8,658,244.20, 13,018,859.10 and 8,469,287.40

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Solution

The fourth proportional to 8,658,244.20, 13,018,859.10 and 8,469,287.40 is: 12,734,736.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,658,244.20 : 13,018,859.10 = 8,469,287.40 : x
  2. Step 2: Convert to fraction form
    8,658,244.20/13,018,859.10 = 8,469,287.40/x
  3. Step 3: Cross multiply
    8,658,244.20x = 13,018,859.10 × 8,469,287.40
  4. Step 4: Simplify right side
    8,658,244.20x = 110,260,459,338,005.34
  5. Step 5: Solve for x
    x = 110,260,459,338,005.34/8,658,244.20
  6. Step 6: Final answer
    x = 12,734,736.60

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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.