Home / 7,871,730.75-10,862,549.21-4,339,413.39

Finding the Fourth Proportional to 7,871,730.75, 10,862,549.21 and 4,339,413.39

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Solution

The fourth proportional to 7,871,730.75, 10,862,549.21 and 4,339,413.39 is: 5,988,148.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,871,730.75 : 10,862,549.21 = 4,339,413.39 : x
  2. Step 2: Convert to fraction form
    7,871,730.75/10,862,549.21 = 4,339,413.39/x
  3. Step 3: Cross multiply
    7,871,730.75x = 10,862,549.21 × 4,339,413.39
  4. Step 4: Simplify right side
    7,871,730.75x = 47,137,091,491,407.92
  5. Step 5: Solve for x
    x = 47,137,091,491,407.92/7,871,730.75
  6. Step 6: Final answer
    x = 5,988,148.35

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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.