Home / 13,309,209.50-18,366,764.45-7,197,638.00

Finding the Fourth Proportional to 13,309,209.50, 18,366,764.45 and 7,197,638.00

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Solution

The fourth proportional to 13,309,209.50, 18,366,764.45 and 7,197,638.00 is: 9,932,770.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,209.50 : 18,366,764.45 = 7,197,638.00 : x
  2. Step 2: Convert to fraction form
    13,309,209.50/18,366,764.45 = 7,197,638.00/x
  3. Step 3: Cross multiply
    13,309,209.50x = 18,366,764.45 × 7,197,638.00
  4. Step 4: Simplify right side
    13,309,209.50x = 132,197,321,614,547.09
  5. Step 5: Solve for x
    x = 132,197,321,614,547.09/13,309,209.50
  6. Step 6: Final answer
    x = 9,932,770.36

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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.