Home / 40,940,942.21-61,432,667.18-16,697,655.17

Finding the Fourth Proportional to 40,940,942.21, 61,432,667.18 and 16,697,655.17

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Solution

The fourth proportional to 40,940,942.21, 61,432,667.18 and 16,697,655.17 is: 25,055,151.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,940,942.21 : 61,432,667.18 = 16,697,655.17 : x
  2. Step 2: Convert to fraction form
    40,940,942.21/61,432,667.18 = 16,697,655.17/x
  3. Step 3: Cross multiply
    40,940,942.21x = 61,432,667.18 × 16,697,655.17
  4. Step 4: Simplify right side
    40,940,942.21x = 1,025,781,492,661,528
  5. Step 5: Solve for x
    x = 1,025,781,492,661,528/40,940,942.21
  6. Step 6: Final answer
    x = 25,055,151.09

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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.