Home / 28,835,819.28-39,793,364.19-15,782,964.03

Finding the Fourth Proportional to 28,835,819.28, 39,793,364.19 and 15,782,964.03

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Solution

The fourth proportional to 28,835,819.28, 39,793,364.19 and 15,782,964.03 is: 21,780,454.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,835,819.28 : 39,793,364.19 = 15,782,964.03 : x
  2. Step 2: Convert to fraction form
    28,835,819.28/39,793,364.19 = 15,782,964.03/x
  3. Step 3: Cross multiply
    28,835,819.28x = 39,793,364.19 × 15,782,964.03
  4. Step 4: Simplify right side
    28,835,819.28x = 628,057,235,643,460
  5. Step 5: Solve for x
    x = 628,057,235,643,460/28,835,819.28
  6. Step 6: Final answer
    x = 21,780,454.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.