Home / 9,154,412.80-13,731,619.20-5,123,334.40

Finding the Fourth Proportional to 9,154,412.80, 13,731,619.20 and 5,123,334.40

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Solution

The fourth proportional to 9,154,412.80, 13,731,619.20 and 5,123,334.40 is: 7,685,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,154,412.80 : 13,731,619.20 = 5,123,334.40 : x
  2. Step 2: Convert to fraction form
    9,154,412.80/13,731,619.20 = 5,123,334.40/x
  3. Step 3: Cross multiply
    9,154,412.80x = 13,731,619.20 × 5,123,334.40
  4. Step 4: Simplify right side
    9,154,412.80x = 70,351,677,015,060.48
  5. Step 5: Solve for x
    x = 70,351,677,015,060.48/9,154,412.80
  6. Step 6: Final answer
    x = 7,685,001.60

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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.