Home / 7,853,721.60-11,780,582.40-4,261,209.60

Finding the Fourth Proportional to 7,853,721.60, 11,780,582.40 and 4,261,209.60

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Solution

The fourth proportional to 7,853,721.60, 11,780,582.40 and 4,261,209.60 is: 6,391,814.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853,721.60 : 11,780,582.40 = 4,261,209.60 : x
  2. Step 2: Convert to fraction form
    7,853,721.60/11,780,582.40 = 4,261,209.60/x
  3. Step 3: Cross multiply
    7,853,721.60x = 11,780,582.40 × 4,261,209.60
  4. Step 4: Simplify right side
    7,853,721.60x = 50,199,530,816,471.04
  5. Step 5: Solve for x
    x = 50,199,530,816,471.04/7,853,721.60
  6. Step 6: Final answer
    x = 6,391,814.40

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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.