Home / 15,675,577.76-21,631,103.04-8,798,731.22

Finding the Fourth Proportional to 15,675,577.76, 21,631,103.04 and 8,798,731.22

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Solution

The fourth proportional to 15,675,577.76, 21,631,103.04 and 8,798,731.22 is: 12,141,578.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,675,577.76 : 21,631,103.04 = 8,798,731.22 : x
  2. Step 2: Convert to fraction form
    15,675,577.76/21,631,103.04 = 8,798,731.22/x
  3. Step 3: Cross multiply
    15,675,577.76x = 21,631,103.04 × 8,798,731.22
  4. Step 4: Simplify right side
    15,675,577.76x = 190,326,261,532,929.38
  5. Step 5: Solve for x
    x = 190,326,261,532,929.38/15,675,577.76
  6. Step 6: Final answer
    x = 12,141,578.74

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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.