Home / 7,878,007.76-10,871,640.18-4,256,335.76

Finding the Fourth Proportional to 7,878,007.76, 10,871,640.18 and 4,256,335.76

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Solution

The fourth proportional to 7,878,007.76, 10,871,640.18 and 4,256,335.76 is: 5,873,737.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,878,007.76 : 10,871,640.18 = 4,256,335.76 : x
  2. Step 2: Convert to fraction form
    7,878,007.76/10,871,640.18 = 4,256,335.76/x
  3. Step 3: Cross multiply
    7,878,007.76x = 10,871,640.18 × 4,256,335.76
  4. Step 4: Simplify right side
    7,878,007.76x = 46,273,350,813,628.63
  5. Step 5: Solve for x
    x = 46,273,350,813,628.63/7,878,007.76
  6. Step 6: Final answer
    x = 5,873,737.66

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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.