Home / 15,675,576.87-21,631,101.84-8,798,730.33

Finding the Fourth Proportional to 15,675,576.87, 21,631,101.84 and 8,798,730.33

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Solution

The fourth proportional to 15,675,576.87, 21,631,101.84 and 8,798,730.33 is: 12,141,577.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,675,576.87 : 21,631,101.84 = 8,798,730.33 : x
  2. Step 2: Convert to fraction form
    15,675,576.87/21,631,101.84 = 8,798,730.33/x
  3. Step 3: Cross multiply
    15,675,576.87x = 21,631,101.84 × 8,798,730.33
  4. Step 4: Simplify right side
    15,675,576.87x = 190,326,231,830,926.81
  5. Step 5: Solve for x
    x = 190,326,231,830,926.81/15,675,576.87
  6. Step 6: Final answer
    x = 12,141,577.53

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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.