Home / 19,427,349.60-29,135,944.80-5,776,819.20

Finding the Fourth Proportional to 19,427,349.60, 29,135,944.80 and 5,776,819.20

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Solution

The fourth proportional to 19,427,349.60, 29,135,944.80 and 5,776,819.20 is: 8,663,718.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,427,349.60 : 29,135,944.80 = 5,776,819.20 : x
  2. Step 2: Convert to fraction form
    19,427,349.60/29,135,944.80 = 5,776,819.20/x
  3. Step 3: Cross multiply
    19,427,349.60x = 29,135,944.80 × 5,776,819.20
  4. Step 4: Simplify right side
    19,427,349.60x = 168,313,085,330,780.16
  5. Step 5: Solve for x
    x = 168,313,085,330,780.16/19,427,349.60
  6. Step 6: Final answer
    x = 8,663,718.36

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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.