Home / 15,200,107.52-20,977,645.89-8,674,719.17

Finding the Fourth Proportional to 15,200,107.52, 20,977,645.89 and 8,674,719.17

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Solution

The fourth proportional to 15,200,107.52, 20,977,645.89 and 8,674,719.17 is: 11,971,967.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,200,107.52 : 20,977,645.89 = 8,674,719.17 : x
  2. Step 2: Convert to fraction form
    15,200,107.52/20,977,645.89 = 8,674,719.17/x
  3. Step 3: Cross multiply
    15,200,107.52x = 20,977,645.89 × 8,674,719.17
  4. Step 4: Simplify right side
    15,200,107.52x = 181,975,186,838,566.47
  5. Step 5: Solve for x
    x = 181,975,186,838,566.47/15,200,107.52
  6. Step 6: Final answer
    x = 11,971,967.08

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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.