Home / 10,167,398.20-14,030,958.54-5,521,141.72

Finding the Fourth Proportional to 10,167,398.20, 14,030,958.54 and 5,521,141.72

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Solution

The fourth proportional to 10,167,398.20, 14,030,958.54 and 5,521,141.72 is: 7,619,147.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,167,398.20 : 14,030,958.54 = 5,521,141.72 : x
  2. Step 2: Convert to fraction form
    10,167,398.20/14,030,958.54 = 5,521,141.72/x
  3. Step 3: Cross multiply
    10,167,398.20x = 14,030,958.54 × 5,521,141.72
  4. Step 4: Simplify right side
    10,167,398.20x = 77,466,910,566,784.28
  5. Step 5: Solve for x
    x = 77,466,910,566,784.28/10,167,398.20
  6. Step 6: Final answer
    x = 7,619,147.89

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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.