Home / 28,080,032.80-42,120,049.20-15,944,807.20

Finding the Fourth Proportional to 28,080,032.80, 42,120,049.20 and 15,944,807.20

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Solution

The fourth proportional to 28,080,032.80, 42,120,049.20 and 15,944,807.20 is: 23,917,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080,032.80 : 42,120,049.20 = 15,944,807.20 : x
  2. Step 2: Convert to fraction form
    28,080,032.80/42,120,049.20 = 15,944,807.20/x
  3. Step 3: Cross multiply
    28,080,032.80x = 42,120,049.20 × 15,944,807.20
  4. Step 4: Simplify right side
    28,080,032.80x = 671,596,063,748,514.25
  5. Step 5: Solve for x
    x = 671,596,063,748,514.25/28,080,032.80
  6. Step 6: Final answer
    x = 23,917,210.80

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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.