Home / 20,549,397.02-28,358,167.38-11,382,630.26

Finding the Fourth Proportional to 20,549,397.02, 28,358,167.38 and 11,382,630.26

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Solution

The fourth proportional to 20,549,397.02, 28,358,167.38 and 11,382,630.26 is: 15,708,029.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,549,397.02 : 28,358,167.38 = 11,382,630.26 : x
  2. Step 2: Convert to fraction form
    20,549,397.02/28,358,167.38 = 11,382,630.26/x
  3. Step 3: Cross multiply
    20,549,397.02x = 28,358,167.38 × 11,382,630.26
  4. Step 4: Simplify right side
    20,549,397.02x = 322,790,534,137,732.88
  5. Step 5: Solve for x
    x = 322,790,534,137,732.88/20,549,397.02
  6. Step 6: Final answer
    x = 15,708,029.48

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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.