Home / 28,552,387.67-42,830,242.82-8,080,394.61

Finding the Fourth Proportional to 28,552,387.67, 42,830,242.82 and 8,080,394.61

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Solution

The fourth proportional to 28,552,387.67, 42,830,242.82 and 8,080,394.61 is: 12,121,062.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,552,387.67 : 42,830,242.82 = 8,080,394.61 : x
  2. Step 2: Convert to fraction form
    28,552,387.67/42,830,242.82 = 8,080,394.61/x
  3. Step 3: Cross multiply
    28,552,387.67x = 42,830,242.82 × 8,080,394.61
  4. Step 4: Simplify right side
    28,552,387.67x = 346,085,263,227,719.19
  5. Step 5: Solve for x
    x = 346,085,263,227,719.19/28,552,387.67
  6. Step 6: Final answer
    x = 12,121,062.07

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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.