Home / 14,985,668.40-20,680,213.80-8,459,354.20

Finding the Fourth Proportional to 14,985,668.40, 20,680,213.80 and 8,459,354.20

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Solution

The fourth proportional to 14,985,668.40, 20,680,213.80 and 8,459,354.20 is: 11,673,903.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985,668.40 : 20,680,213.80 = 8,459,354.20 : x
  2. Step 2: Convert to fraction form
    14,985,668.40/20,680,213.80 = 8,459,354.20/x
  3. Step 3: Cross multiply
    14,985,668.40x = 20,680,213.80 × 8,459,354.20
  4. Step 4: Simplify right side
    14,985,668.40x = 174,941,253,465,927.94
  5. Step 5: Solve for x
    x = 174,941,253,465,927.94/14,985,668.40
  6. Step 6: Final answer
    x = 11,673,903.95

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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.