Home / 19,312,834.60-28,969,251.90-7,344,015.40

Finding the Fourth Proportional to 19,312,834.60, 28,969,251.90 and 7,344,015.40

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Solution

The fourth proportional to 19,312,834.60, 28,969,251.90 and 7,344,015.40 is: 11,016,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312,834.60 : 28,969,251.90 = 7,344,015.40 : x
  2. Step 2: Convert to fraction form
    19,312,834.60/28,969,251.90 = 7,344,015.40/x
  3. Step 3: Cross multiply
    19,312,834.60x = 28,969,251.90 × 7,344,015.40
  4. Step 4: Simplify right side
    19,312,834.60x = 212,750,632,080,079.25
  5. Step 5: Solve for x
    x = 212,750,632,080,079.25/19,312,834.60
  6. Step 6: Final answer
    x = 11,016,023.10

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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.