Home / 19,251,738.90-28,877,608.35-7,888,410.90

Finding the Fourth Proportional to 19,251,738.90, 28,877,608.35 and 7,888,410.90

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Solution

The fourth proportional to 19,251,738.90, 28,877,608.35 and 7,888,410.90 is: 11,832,616.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251,738.90 : 28,877,608.35 = 7,888,410.90 : x
  2. Step 2: Convert to fraction form
    19,251,738.90/28,877,608.35 = 7,888,410.90/x
  3. Step 3: Cross multiply
    19,251,738.90x = 28,877,608.35 × 7,888,410.90
  4. Step 4: Simplify right side
    19,251,738.90x = 227,798,440,474,071.03
  5. Step 5: Solve for x
    x = 227,798,440,474,071.03/19,251,738.90
  6. Step 6: Final answer
    x = 11,832,616.35

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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.