Home / 7,965,252-10,992,877.20-4,909,387.68

Finding the Fourth Proportional to 7,965,252, 10,992,877.20 and 4,909,387.68

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Solution

The fourth proportional to 7,965,252, 10,992,877.20 and 4,909,387.68 is: 6,775,466.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965,252 : 10,992,877.20 = 4,909,387.68 : x
  2. Step 2: Convert to fraction form
    7,965,252/10,992,877.20 = 4,909,387.68/x
  3. Step 3: Cross multiply
    7,965,252x = 10,992,877.20 × 4,909,387.68
  4. Step 4: Simplify right side
    7,965,252x = 53,968,295,893,432.89
  5. Step 5: Solve for x
    x = 53,968,295,893,432.89/7,965,252
  6. Step 6: Final answer
    x = 6,775,466.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.