Home / 7,700,657.28-10,627,032.52-4,215,937.66

Finding the Fourth Proportional to 7,700,657.28, 10,627,032.52 and 4,215,937.66

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Solution

The fourth proportional to 7,700,657.28, 10,627,032.52 and 4,215,937.66 is: 5,818,062.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,700,657.28 : 10,627,032.52 = 4,215,937.66 : x
  2. Step 2: Convert to fraction form
    7,700,657.28/10,627,032.52 = 4,215,937.66/x
  3. Step 3: Cross multiply
    7,700,657.28x = 10,627,032.52 × 4,215,937.66
  4. Step 4: Simplify right side
    7,700,657.28x = 44,802,906,615,112.70
  5. Step 5: Solve for x
    x = 44,802,906,615,112.70/7,700,657.28
  6. Step 6: Final answer
    x = 5,818,062.66

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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.