Home / 10,865,103.20-14,992,964.76-6,281,720

Finding the Fourth Proportional to 10,865,103.20, 14,992,964.76 and 6,281,720

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Solution

The fourth proportional to 10,865,103.20, 14,992,964.76 and 6,281,720 is: 8,668,266.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,103.20 : 14,992,964.76 = 6,281,720 : x
  2. Step 2: Convert to fraction form
    10,865,103.20/14,992,964.76 = 6,281,720/x
  3. Step 3: Cross multiply
    10,865,103.20x = 14,992,964.76 × 6,281,720
  4. Step 4: Simplify right side
    10,865,103.20x = 94,181,606,592,187.20
  5. Step 5: Solve for x
    x = 94,181,606,592,187.20/10,865,103.20
  6. Step 6: Final answer
    x = 8,668,266.18

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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.