Home / 16,382,987-22,608,531.80-9,139,643

Finding the Fourth Proportional to 16,382,987, 22,608,531.80 and 9,139,643

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Solution

The fourth proportional to 16,382,987, 22,608,531.80 and 9,139,643 is: 12,612,712.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,382,987 : 22,608,531.80 = 9,139,643 : x
  2. Step 2: Convert to fraction form
    16,382,987/22,608,531.80 = 9,139,643/x
  3. Step 3: Cross multiply
    16,382,987x = 22,608,531.80 × 9,139,643
  4. Step 4: Simplify right side
    16,382,987x = 206,633,909,406,147.41
  5. Step 5: Solve for x
    x = 206,633,909,406,147.41/16,382,987
  6. Step 6: Final answer
    x = 12,612,712.77

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1.5x scale

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.