Home / 7,691,367.69-10,612,908.36-4,427,551.76

Finding the Fourth Proportional to 7,691,367.69, 10,612,908.36 and 4,427,551.76

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Solution

The fourth proportional to 7,691,367.69, 10,612,908.36 and 4,427,551.76 is: 6,109,342.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691,367.69 : 10,612,908.36 = 4,427,551.76 : x
  2. Step 2: Convert to fraction form
    7,691,367.69/10,612,908.36 = 4,427,551.76/x
  3. Step 3: Cross multiply
    7,691,367.69x = 10,612,908.36 × 4,427,551.76
  4. Step 4: Simplify right side
    7,691,367.69x = 46,989,201,034,972.17
  5. Step 5: Solve for x
    x = 46,989,201,034,972.17/7,691,367.69
  6. Step 6: Final answer
    x = 6,109,342.70

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1.5x scale

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.