Home / 20,592,032.96-30,896,185.08-7,815,928.88

Finding the Fourth Proportional to 20,592,032.96, 30,896,185.08 and 7,815,928.88

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Solution

The fourth proportional to 20,592,032.96, 30,896,185.08 and 7,815,928.88 is: 11,726,981.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,592,032.96 : 30,896,185.08 = 7,815,928.88 : x
  2. Step 2: Convert to fraction form
    20,592,032.96/30,896,185.08 = 7,815,928.88/x
  3. Step 3: Cross multiply
    20,592,032.96x = 30,896,185.08 × 7,815,928.88
  4. Step 4: Simplify right side
    20,592,032.96x = 241,482,385,248,597.09
  5. Step 5: Solve for x
    x = 241,482,385,248,597.09/20,592,032.96
  6. Step 6: Final answer
    x = 11,726,981.29

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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.