Home / 8,413,312.80-12,621,812.40-2,732,570.40

Finding the Fourth Proportional to 8,413,312.80, 12,621,812.40 and 2,732,570.40

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Solution

The fourth proportional to 8,413,312.80, 12,621,812.40 and 2,732,570.40 is: 4,099,454.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413,312.80 : 12,621,812.40 = 2,732,570.40 : x
  2. Step 2: Convert to fraction form
    8,413,312.80/12,621,812.40 = 2,732,570.40/x
  3. Step 3: Cross multiply
    8,413,312.80x = 12,621,812.40 × 2,732,570.40
  4. Step 4: Simplify right side
    8,413,312.80x = 34,489,990,958,592.96
  5. Step 5: Solve for x
    x = 34,489,990,958,592.96/8,413,312.80
  6. Step 6: Final answer
    x = 4,099,454.26

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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.