Home / 13,252,355.48-18,291,498.10-8,100,036.20

Finding the Fourth Proportional to 13,252,355.48, 18,291,498.10 and 8,100,036.20

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Solution

The fourth proportional to 13,252,355.48, 18,291,498.10 and 8,100,036.20 is: 11,180,034.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252,355.48 : 18,291,498.10 = 8,100,036.20 : x
  2. Step 2: Convert to fraction form
    13,252,355.48/18,291,498.10 = 8,100,036.20/x
  3. Step 3: Cross multiply
    13,252,355.48x = 18,291,498.10 × 8,100,036.20
  4. Step 4: Simplify right side
    13,252,355.48x = 148,161,796,762,231.25
  5. Step 5: Solve for x
    x = 148,161,796,762,231.25/13,252,355.48
  6. Step 6: Final answer
    x = 11,180,034.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.