Home / 7,878,177.35-10,871,967.81-4,440,418.38

Finding the Fourth Proportional to 7,878,177.35, 10,871,967.81 and 4,440,418.38

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Solution

The fourth proportional to 7,878,177.35, 10,871,967.81 and 4,440,418.38 is: 6,127,824.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,878,177.35 : 10,871,967.81 = 4,440,418.38 : x
  2. Step 2: Convert to fraction form
    7,878,177.35/10,871,967.81 = 4,440,418.38/x
  3. Step 3: Cross multiply
    7,878,177.35x = 10,871,967.81 × 4,440,418.38
  4. Step 4: Simplify right side
    7,878,177.35x = 48,276,085,681,966.56
  5. Step 5: Solve for x
    x = 48,276,085,681,966.56/7,878,177.35
  6. Step 6: Final answer
    x = 6,127,824.18

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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.