Home / 40,318,786.08-60,461,363.52-12,645,573.84

Finding the Fourth Proportional to 40,318,786.08, 60,461,363.52 and 12,645,573.84

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Solution

The fourth proportional to 40,318,786.08, 60,461,363.52 and 12,645,573.84 is: 18,963,086.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,318,786.08 : 60,461,363.52 = 12,645,573.84 : x
  2. Step 2: Convert to fraction form
    40,318,786.08/60,461,363.52 = 12,645,573.84/x
  3. Step 3: Cross multiply
    40,318,786.08x = 60,461,363.52 × 12,645,573.84
  4. Step 4: Simplify right side
    40,318,786.08x = 764,568,636,859,242.38
  5. Step 5: Solve for x
    x = 764,568,636,859,242.38/40,318,786.08
  6. Step 6: Final answer
    x = 18,963,086.72

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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.