Home / 14,642,823.20-20,200,261.20-9,213,308.96

Finding the Fourth Proportional to 14,642,823.20, 20,200,261.20 and 9,213,308.96

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Solution

The fourth proportional to 14,642,823.20, 20,200,261.20 and 9,213,308.96 is: 12,710,065.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,642,823.20 : 20,200,261.20 = 9,213,308.96 : x
  2. Step 2: Convert to fraction form
    14,642,823.20/20,200,261.20 = 9,213,308.96/x
  3. Step 3: Cross multiply
    14,642,823.20x = 20,200,261.20 × 9,213,308.96
  4. Step 4: Simplify right side
    14,642,823.20x = 186,111,247,508,300.38
  5. Step 5: Solve for x
    x = 186,111,247,508,300.38/14,642,823.20
  6. Step 6: Final answer
    x = 12,710,065.88

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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.