Home / 13,831,521.70-20,747,282.55-7,113,057.70

Finding the Fourth Proportional to 13,831,521.70, 20,747,282.55 and 7,113,057.70

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Solution

The fourth proportional to 13,831,521.70, 20,747,282.55 and 7,113,057.70 is: 10,669,586.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831,521.70 : 20,747,282.55 = 7,113,057.70 : x
  2. Step 2: Convert to fraction form
    13,831,521.70/20,747,282.55 = 7,113,057.70/x
  3. Step 3: Cross multiply
    13,831,521.70x = 20,747,282.55 × 7,113,057.70
  4. Step 4: Simplify right side
    13,831,521.70x = 147,576,617,896,353.16
  5. Step 5: Solve for x
    x = 147,576,617,896,353.16/13,831,521.70
  6. Step 6: Final answer
    x = 10,669,586.55

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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.