Home / 14,235,518.40-21,311,287.20-12,555,902.40

Finding the Fourth Proportional to 14,235,518.40, 21,311,287.20 and 12,555,902.40

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Solution

The fourth proportional to 14,235,518.40, 21,311,287.20 and 12,555,902.40 is: 18,796,817.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,235,518.40 : 21,311,287.20 = 12,555,902.40 : x
  2. Step 2: Convert to fraction form
    14,235,518.40/21,311,287.20 = 12,555,902.40/x
  3. Step 3: Cross multiply
    14,235,518.40x = 21,311,287.20 × 12,555,902.40
  4. Step 4: Simplify right side
    14,235,518.40x = 267,582,442,101,569.28
  5. Step 5: Solve for x
    x = 267,582,442,101,569.28/14,235,518.40
  6. Step 6: Final answer
    x = 18,796,817.55

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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.