Home / 28,740,001.20-43,110,001.80-15,087,872.40

Finding the Fourth Proportional to 28,740,001.20, 43,110,001.80 and 15,087,872.40

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Solution

The fourth proportional to 28,740,001.20, 43,110,001.80 and 15,087,872.40 is: 22,631,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,740,001.20 : 43,110,001.80 = 15,087,872.40 : x
  2. Step 2: Convert to fraction form
    28,740,001.20/43,110,001.80 = 15,087,872.40/x
  3. Step 3: Cross multiply
    28,740,001.20x = 43,110,001.80 × 15,087,872.40
  4. Step 4: Simplify right side
    28,740,001.20x = 650,438,206,322,170.25
  5. Step 5: Solve for x
    x = 650,438,206,322,170.25/28,740,001.20
  6. Step 6: Final answer
    x = 22,631,808.60

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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.