Home / 14,001,878.40-21,002,817.60-10,418,697.60

Finding the Fourth Proportional to 14,001,878.40, 21,002,817.60 and 10,418,697.60

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Solution

The fourth proportional to 14,001,878.40, 21,002,817.60 and 10,418,697.60 is: 15,628,046.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001,878.40 : 21,002,817.60 = 10,418,697.60 : x
  2. Step 2: Convert to fraction form
    14,001,878.40/21,002,817.60 = 10,418,697.60/x
  3. Step 3: Cross multiply
    14,001,878.40x = 21,002,817.60 × 10,418,697.60
  4. Step 4: Simplify right side
    14,001,878.40x = 218,822,005,322,357.78
  5. Step 5: Solve for x
    x = 218,822,005,322,357.78/14,001,878.40
  6. Step 6: Final answer
    x = 15,628,046.40

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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.