Home / 10,376,969.40-15,523,463.70-9,117,257.40

Finding the Fourth Proportional to 10,376,969.40, 15,523,463.70 and 9,117,257.40

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Solution

The fourth proportional to 10,376,969.40, 15,523,463.70 and 9,117,257.40 is: 13,638,993.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376,969.40 : 15,523,463.70 = 9,117,257.40 : x
  2. Step 2: Convert to fraction form
    10,376,969.40/15,523,463.70 = 9,117,257.40/x
  3. Step 3: Cross multiply
    10,376,969.40x = 15,523,463.70 × 9,117,257.40
  4. Step 4: Simplify right side
    10,376,969.40x = 141,531,414,292,456.38
  5. Step 5: Solve for x
    x = 141,531,414,292,456.38/10,376,969.40
  6. Step 6: Final answer
    x = 13,638,993.12

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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.