Home / 6,912,040.90-10,368,061.35-6,408,156.10

Finding the Fourth Proportional to 6,912,040.90, 10,368,061.35 and 6,408,156.10

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Solution

The fourth proportional to 6,912,040.90, 10,368,061.35 and 6,408,156.10 is: 9,612,234.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,040.90 : 10,368,061.35 = 6,408,156.10 : x
  2. Step 2: Convert to fraction form
    6,912,040.90/10,368,061.35 = 6,408,156.10/x
  3. Step 3: Cross multiply
    6,912,040.90x = 10,368,061.35 × 6,408,156.10
  4. Step 4: Simplify right side
    6,912,040.90x = 66,440,155,585,176.73
  5. Step 5: Solve for x
    x = 66,440,155,585,176.73/6,912,040.90
  6. Step 6: Final answer
    x = 9,612,234.15

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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.