Home / 8,687,581.20-13,018,541.40-6,296,461.20

Finding the Fourth Proportional to 8,687,581.20, 13,018,541.40 and 6,296,461.20

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Solution

The fourth proportional to 8,687,581.20, 13,018,541.40 and 6,296,461.20 is: 9,435,392.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,687,581.20 : 13,018,541.40 = 6,296,461.20 : x
  2. Step 2: Convert to fraction form
    8,687,581.20/13,018,541.40 = 6,296,461.20/x
  3. Step 3: Cross multiply
    8,687,581.20x = 13,018,541.40 × 6,296,461.20
  4. Step 4: Simplify right side
    8,687,581.20x = 81,970,740,805,693.69
  5. Step 5: Solve for x
    x = 81,970,740,805,693.69/8,687,581.20
  6. Step 6: Final answer
    x = 9,435,392.77

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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.