Home / 19,313,793.60-28,970,690.40-7,344,974.40

Finding the Fourth Proportional to 19,313,793.60, 28,970,690.40 and 7,344,974.40

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Solution

The fourth proportional to 19,313,793.60, 28,970,690.40 and 7,344,974.40 is: 11,017,461.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,313,793.60 : 28,970,690.40 = 7,344,974.40 : x
  2. Step 2: Convert to fraction form
    19,313,793.60/28,970,690.40 = 7,344,974.40/x
  3. Step 3: Cross multiply
    19,313,793.60x = 28,970,690.40 × 7,344,974.40
  4. Step 4: Simplify right side
    19,313,793.60x = 212,788,979,338,325.75
  5. Step 5: Solve for x
    x = 212,788,979,338,325.75/19,313,793.60
  6. Step 6: Final answer
    x = 11,017,461.60

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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.