Home / 7,721,345.46-10,651,029.72-4,815,691.76

Finding the Fourth Proportional to 7,721,345.46, 10,651,029.72 and 4,815,691.76

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Solution

The fourth proportional to 7,721,345.46, 10,651,029.72 and 4,815,691.76 is: 6,642,893.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721,345.46 : 10,651,029.72 = 4,815,691.76 : x
  2. Step 2: Convert to fraction form
    7,721,345.46/10,651,029.72 = 4,815,691.76/x
  3. Step 3: Cross multiply
    7,721,345.46x = 10,651,029.72 × 4,815,691.76
  4. Step 4: Simplify right side
    7,721,345.46x = 51,292,076,058,119.11
  5. Step 5: Solve for x
    x = 51,292,076,058,119.11/7,721,345.46
  6. Step 6: Final answer
    x = 6,642,893.56

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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.