Home / 7,776,040.85-11,664,061.28-6,831,256.85

Finding the Fourth Proportional to 7,776,040.85, 11,664,061.28 and 6,831,256.85

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Solution

The fourth proportional to 7,776,040.85, 11,664,061.28 and 6,831,256.85 is: 10,246,885.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,040.85 : 11,664,061.28 = 6,831,256.85 : x
  2. Step 2: Convert to fraction form
    7,776,040.85/11,664,061.28 = 6,831,256.85/x
  3. Step 3: Cross multiply
    7,776,040.85x = 11,664,061.28 × 6,831,256.85
  4. Step 4: Simplify right side
    7,776,040.85x = 79,680,198,483,663.48
  5. Step 5: Solve for x
    x = 79,680,198,483,663.48/7,776,040.85
  6. Step 6: Final answer
    x = 10,246,885.28

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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.