Home / 14,234,563.20-21,351,844.80-13,573,214.40

Finding the Fourth Proportional to 14,234,563.20, 21,351,844.80 and 13,573,214.40

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Solution

The fourth proportional to 14,234,563.20, 21,351,844.80 and 13,573,214.40 is: 20,359,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,234,563.20 : 21,351,844.80 = 13,573,214.40 : x
  2. Step 2: Convert to fraction form
    14,234,563.20/21,351,844.80 = 13,573,214.40/x
  3. Step 3: Cross multiply
    14,234,563.20x = 21,351,844.80 × 13,573,214.40
  4. Step 4: Simplify right side
    14,234,563.20x = 289,813,167,305,925.12
  5. Step 5: Solve for x
    x = 289,813,167,305,925.12/14,234,563.20
  6. Step 6: Final answer
    x = 20,359,821.60

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Similar ratio
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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.