Home / 15,400,449.54-21,252,587.02-8,431,070.63

Finding the Fourth Proportional to 15,400,449.54, 21,252,587.02 and 8,431,070.63

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Solution

The fourth proportional to 15,400,449.54, 21,252,587.02 and 8,431,070.63 is: 11,634,859.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,400,449.54 : 21,252,587.02 = 8,431,070.63 : x
  2. Step 2: Convert to fraction form
    15,400,449.54/21,252,587.02 = 8,431,070.63/x
  3. Step 3: Cross multiply
    15,400,449.54x = 21,252,587.02 × 8,431,070.63
  4. Step 4: Simplify right side
    15,400,449.54x = 179,182,062,108,500.59
  5. Step 5: Solve for x
    x = 179,182,062,108,500.59/15,400,449.54
  6. Step 6: Final answer
    x = 11,634,859.21

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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.