Home / 28,749,764.80-43,103,376.60-13,585,981.60

Finding the Fourth Proportional to 28,749,764.80, 43,103,376.60 and 13,585,981.60

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Solution

The fourth proportional to 28,749,764.80, 43,103,376.60 and 13,585,981.60 is: 20,368,920.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,749,764.80 : 43,103,376.60 = 13,585,981.60 : x
  2. Step 2: Convert to fraction form
    28,749,764.80/43,103,376.60 = 13,585,981.60/x
  3. Step 3: Cross multiply
    28,749,764.80x = 43,103,376.60 × 13,585,981.60
  4. Step 4: Simplify right side
    28,749,764.80x = 585,601,681,385,470.62
  5. Step 5: Solve for x
    x = 585,601,681,385,470.62/28,749,764.80
  6. Step 6: Final answer
    x = 20,368,920.77

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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.