Home / 19,157,734.60-28,736,601.90-7,023,165.10

Finding the Fourth Proportional to 19,157,734.60, 28,736,601.90 and 7,023,165.10

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Solution

The fourth proportional to 19,157,734.60, 28,736,601.90 and 7,023,165.10 is: 10,534,747.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157,734.60 : 28,736,601.90 = 7,023,165.10 : x
  2. Step 2: Convert to fraction form
    19,157,734.60/28,736,601.90 = 7,023,165.10/x
  3. Step 3: Cross multiply
    19,157,734.60x = 28,736,601.90 × 7,023,165.10
  4. Step 4: Simplify right side
    19,157,734.60x = 201,821,899,556,673.66
  5. Step 5: Solve for x
    x = 201,821,899,556,673.66/19,157,734.60
  6. Step 6: Final answer
    x = 10,534,747.65

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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.