Home / 20,704,655.26-31,053,615.82-9,774,823.87

Finding the Fourth Proportional to 20,704,655.26, 31,053,615.82 and 9,774,823.87

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Solution

The fourth proportional to 20,704,655.26, 31,053,615.82 and 9,774,823.87 is: 14,660,646.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,704,655.26 : 31,053,615.82 = 9,774,823.87 : x
  2. Step 2: Convert to fraction form
    20,704,655.26/31,053,615.82 = 9,774,823.87/x
  3. Step 3: Cross multiply
    20,704,655.26x = 31,053,615.82 × 9,774,823.87
  4. Step 4: Simplify right side
    20,704,655.26x = 303,543,625,065,074.50
  5. Step 5: Solve for x
    x = 303,543,625,065,074.50/20,704,655.26
  6. Step 6: Final answer
    x = 14,660,646.18

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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.