Home / 15,675,575.59-21,631,100.05-8,798,729.05

Finding the Fourth Proportional to 15,675,575.59, 21,631,100.05 and 8,798,729.05

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Solution

The fourth proportional to 15,675,575.59, 21,631,100.05 and 8,798,729.05 is: 12,141,575.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,675,575.59 : 21,631,100.05 = 8,798,729.05 : x
  2. Step 2: Convert to fraction form
    15,675,575.59/21,631,100.05 = 8,798,729.05/x
  3. Step 3: Cross multiply
    15,675,575.59x = 21,631,100.05 × 8,798,729.05
  4. Step 4: Simplify right side
    15,675,575.59x = 190,326,188,431,428.72
  5. Step 5: Solve for x
    x = 190,326,188,431,428.72/15,675,575.59
  6. Step 6: Final answer
    x = 12,141,575.75

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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.