Home / 8,978,184.29-12,389,932.16-5,057,987.45

Finding the Fourth Proportional to 8,978,184.29, 12,389,932.16 and 5,057,987.45

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Solution

The fourth proportional to 8,978,184.29, 12,389,932.16 and 5,057,987.45 is: 6,980,044.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,978,184.29 : 12,389,932.16 = 5,057,987.45 : x
  2. Step 2: Convert to fraction form
    8,978,184.29/12,389,932.16 = 5,057,987.45/x
  3. Step 3: Cross multiply
    8,978,184.29x = 12,389,932.16 × 5,057,987.45
  4. Step 4: Simplify right side
    8,978,184.29x = 62,668,121,346,341.45
  5. Step 5: Solve for x
    x = 62,668,121,346,341.45/8,978,184.29
  6. Step 6: Final answer
    x = 6,980,044.00

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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.