Home / 14,190,904.10-21,286,356.15-9,711,928.10

Finding the Fourth Proportional to 14,190,904.10, 21,286,356.15 and 9,711,928.10

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Solution

The fourth proportional to 14,190,904.10, 21,286,356.15 and 9,711,928.10 is: 14,567,892.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190,904.10 : 21,286,356.15 = 9,711,928.10 : x
  2. Step 2: Convert to fraction form
    14,190,904.10/21,286,356.15 = 9,711,928.10/x
  3. Step 3: Cross multiply
    14,190,904.10x = 21,286,356.15 × 9,711,928.10
  4. Step 4: Simplify right side
    14,190,904.10x = 206,731,560,439,792.78
  5. Step 5: Solve for x
    x = 206,731,560,439,792.78/14,190,904.10
  6. Step 6: Final answer
    x = 14,567,892.15

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Double scale
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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.