Home / 12,655,862.76-18,986,614.02-6,973,161.96

Finding the Fourth Proportional to 12,655,862.76, 18,986,614.02 and 6,973,161.96

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Solution

The fourth proportional to 12,655,862.76, 18,986,614.02 and 6,973,161.96 is: 10,461,296.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,655,862.76 : 18,986,614.02 = 6,973,161.96 : x
  2. Step 2: Convert to fraction form
    12,655,862.76/18,986,614.02 = 6,973,161.96/x
  3. Step 3: Cross multiply
    12,655,862.76x = 18,986,614.02 × 6,973,161.96
  4. Step 4: Simplify right side
    12,655,862.76x = 132,396,734,633,466.67
  5. Step 5: Solve for x
    x = 132,396,734,633,466.67/12,655,862.76
  6. Step 6: Final answer
    x = 10,461,296.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.