Home / 8,678,042.40-13,014,730.80-2,612,762.40

Finding the Fourth Proportional to 8,678,042.40, 13,014,730.80 and 2,612,762.40

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Solution

The fourth proportional to 8,678,042.40, 13,014,730.80 and 2,612,762.40 is: 3,918,441.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678,042.40 : 13,014,730.80 = 2,612,762.40 : x
  2. Step 2: Convert to fraction form
    8,678,042.40/13,014,730.80 = 2,612,762.40/x
  3. Step 3: Cross multiply
    8,678,042.40x = 13,014,730.80 × 2,612,762.40
  4. Step 4: Simplify right side
    8,678,042.40x = 34,004,399,280,361.92
  5. Step 5: Solve for x
    x = 34,004,399,280,361.92/8,678,042.40
  6. Step 6: Final answer
    x = 3,918,441.25

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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.