Home / 7,808,582.40-11,711,793.60-2,420,937.60

Finding the Fourth Proportional to 7,808,582.40, 11,711,793.60 and 2,420,937.60

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Solution

The fourth proportional to 7,808,582.40, 11,711,793.60 and 2,420,937.60 is: 3,631,071.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,808,582.40 : 11,711,793.60 = 2,420,937.60 : x
  2. Step 2: Convert to fraction form
    7,808,582.40/11,711,793.60 = 2,420,937.60/x
  3. Step 3: Cross multiply
    7,808,582.40x = 11,711,793.60 × 2,420,937.60
  4. Step 4: Simplify right side
    7,808,582.40x = 28,353,521,489,679.36
  5. Step 5: Solve for x
    x = 28,353,521,489,679.36/7,808,582.40
  6. Step 6: Final answer
    x = 3,631,071.56

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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.