Home / 12,372,411.75-18,565,113.03-8,988,674.43

Finding the Fourth Proportional to 12,372,411.75, 18,565,113.03 and 8,988,674.43

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Solution

The fourth proportional to 12,372,411.75, 18,565,113.03 and 8,988,674.43 is: 13,487,730.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372,411.75 : 18,565,113.03 = 8,988,674.43 : x
  2. Step 2: Convert to fraction form
    12,372,411.75/18,565,113.03 = 8,988,674.43/x
  3. Step 3: Cross multiply
    12,372,411.75x = 18,565,113.03 × 8,988,674.43
  4. Step 4: Simplify right side
    12,372,411.75x = 166,875,756,782,820.81
  5. Step 5: Solve for x
    x = 166,875,756,782,820.81/12,372,411.75
  6. Step 6: Final answer
    x = 13,487,730.62

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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.