Home / 10,402,136.20-15,602,912.70-4,722,351.40

Finding the Fourth Proportional to 10,402,136.20, 15,602,912.70 and 4,722,351.40

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Solution

The fourth proportional to 10,402,136.20, 15,602,912.70 and 4,722,351.40 is: 7,083,394.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,402,136.20 : 15,602,912.70 = 4,722,351.40 : x
  2. Step 2: Convert to fraction form
    10,402,136.20/15,602,912.70 = 4,722,351.40/x
  3. Step 3: Cross multiply
    10,402,136.20x = 15,602,912.70 × 4,722,351.40
  4. Step 4: Simplify right side
    10,402,136.20x = 73,682,436,632,922.78
  5. Step 5: Solve for x
    x = 73,682,436,632,922.78/10,402,136.20
  6. Step 6: Final answer
    x = 7,083,394.72

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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.