Home / 13,146,722.90-19,720,084.35-12,957,766.10

Finding the Fourth Proportional to 13,146,722.90, 19,720,084.35 and 12,957,766.10

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Solution

The fourth proportional to 13,146,722.90, 19,720,084.35 and 12,957,766.10 is: 19,436,649.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146,722.90 : 19,720,084.35 = 12,957,766.10 : x
  2. Step 2: Convert to fraction form
    13,146,722.90/19,720,084.35 = 12,957,766.10/x
  3. Step 3: Cross multiply
    13,146,722.90x = 19,720,084.35 × 12,957,766.10
  4. Step 4: Simplify right side
    13,146,722.90x = 255,528,240,479,570.56
  5. Step 5: Solve for x
    x = 255,528,240,479,570.56/13,146,722.90
  6. Step 6: Final answer
    x = 19,436,649.15

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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.