Home / 8,413,143.68-12,621,413.16-2,656,776.21

Finding the Fourth Proportional to 8,413,143.68, 12,621,413.16 and 2,656,776.21

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Solution

The fourth proportional to 8,413,143.68, 12,621,413.16 and 2,656,776.21 is: 3,985,700.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413,143.68 : 12,621,413.16 = 2,656,776.21 : x
  2. Step 2: Convert to fraction form
    8,413,143.68/12,621,413.16 = 2,656,776.21/x
  3. Step 3: Cross multiply
    8,413,143.68x = 12,621,413.16 × 2,656,776.21
  4. Step 4: Simplify right side
    8,413,143.68x = 33,532,270,220,068.92
  5. Step 5: Solve for x
    x = 33,532,270,220,068.92/8,413,143.68
  6. Step 6: Final answer
    x = 3,985,700.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.