Home / 10,361,218.40-15,541,827.60-7,841,794.40

Finding the Fourth Proportional to 10,361,218.40, 15,541,827.60 and 7,841,794.40

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Solution

The fourth proportional to 10,361,218.40, 15,541,827.60 and 7,841,794.40 is: 11,762,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361,218.40 : 15,541,827.60 = 7,841,794.40 : x
  2. Step 2: Convert to fraction form
    10,361,218.40/15,541,827.60 = 7,841,794.40/x
  3. Step 3: Cross multiply
    10,361,218.40x = 15,541,827.60 × 7,841,794.40
  4. Step 4: Simplify right side
    10,361,218.40x = 121,875,816,639,445.44
  5. Step 5: Solve for x
    x = 121,875,816,639,445.44/10,361,218.40
  6. Step 6: Final answer
    x = 11,762,691.60

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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.