Home / 28,680,012.80-43,020,019.20-25,544,729.60

Finding the Fourth Proportional to 28,680,012.80, 43,020,019.20 and 25,544,729.60

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Solution

The fourth proportional to 28,680,012.80, 43,020,019.20 and 25,544,729.60 is: 38,317,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,680,012.80 : 43,020,019.20 = 25,544,729.60 : x
  2. Step 2: Convert to fraction form
    28,680,012.80/43,020,019.20 = 25,544,729.60/x
  3. Step 3: Cross multiply
    28,680,012.80x = 43,020,019.20 × 25,544,729.60
  4. Step 4: Simplify right side
    28,680,012.80x = 1,098,934,757,850,808.50
  5. Step 5: Solve for x
    x = 1,098,934,757,850,808.50/28,680,012.80
  6. Step 6: Final answer
    x = 38,317,094.40

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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.