Home / 7,878,187.92-10,871,982.18-4,440,428.95

Finding the Fourth Proportional to 7,878,187.92, 10,871,982.18 and 4,440,428.95

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Solution

The fourth proportional to 7,878,187.92, 10,871,982.18 and 4,440,428.95 is: 6,127,838.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,878,187.92 : 10,871,982.18 = 4,440,428.95 : x
  2. Step 2: Convert to fraction form
    7,878,187.92/10,871,982.18 = 4,440,428.95/x
  3. Step 3: Cross multiply
    7,878,187.92x = 10,871,982.18 × 4,440,428.95
  4. Step 4: Simplify right side
    7,878,187.92x = 48,276,264,415,956.11
  5. Step 5: Solve for x
    x = 48,276,264,415,956.11/7,878,187.92
  6. Step 6: Final answer
    x = 6,127,838.65

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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.