Home / 25,428,254.08-38,147,072.64-8,390,104.96

Finding the Fourth Proportional to 25,428,254.08, 38,147,072.64 and 8,390,104.96

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Solution

The fourth proportional to 25,428,254.08, 38,147,072.64 and 8,390,104.96 is: 12,586,705.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,428,254.08 : 38,147,072.64 = 8,390,104.96 : x
  2. Step 2: Convert to fraction form
    25,428,254.08/38,147,072.64 = 8,390,104.96/x
  3. Step 3: Cross multiply
    25,428,254.08x = 38,147,072.64 × 8,390,104.96
  4. Step 4: Simplify right side
    25,428,254.08x = 320,057,943,366,344.31
  5. Step 5: Solve for x
    x = 320,057,943,366,344.31/25,428,254.08
  6. Step 6: Final answer
    x = 12,586,705.42

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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.