Home / 10,040,689.90-15,061,034.85-9,347,848.30

Finding the Fourth Proportional to 10,040,689.90, 15,061,034.85 and 9,347,848.30

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Solution

The fourth proportional to 10,040,689.90, 15,061,034.85 and 9,347,848.30 is: 14,021,772.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040,689.90 : 15,061,034.85 = 9,347,848.30 : x
  2. Step 2: Convert to fraction form
    10,040,689.90/15,061,034.85 = 9,347,848.30/x
  3. Step 3: Cross multiply
    10,040,689.90x = 15,061,034.85 × 9,347,848.30
  4. Step 4: Simplify right side
    10,040,689.90x = 140,788,269,018,813.25
  5. Step 5: Solve for x
    x = 140,788,269,018,813.25/10,040,689.90
  6. Step 6: Final answer
    x = 14,021,772.45

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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.