Home / 13,436,647.20-20,154,970.80-7,369,034.40

Finding the Fourth Proportional to 13,436,647.20, 20,154,970.80 and 7,369,034.40

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Solution

The fourth proportional to 13,436,647.20, 20,154,970.80 and 7,369,034.40 is: 11,053,551.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436,647.20 : 20,154,970.80 = 7,369,034.40 : x
  2. Step 2: Convert to fraction form
    13,436,647.20/20,154,970.80 = 7,369,034.40/x
  3. Step 3: Cross multiply
    13,436,647.20x = 20,154,970.80 × 7,369,034.40
  4. Step 4: Simplify right side
    13,436,647.20x = 148,522,673,156,195.53
  5. Step 5: Solve for x
    x = 148,522,673,156,195.53/13,436,647.20
  6. Step 6: Final answer
    x = 11,053,551.60

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1.5x scale

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.