Home / 29,172,760.84-40,284,232.50-18,178,274.44

Finding the Fourth Proportional to 29,172,760.84, 40,284,232.50 and 18,178,274.44

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Solution

The fourth proportional to 29,172,760.84, 40,284,232.50 and 18,178,274.44 is: 25,102,109.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,172,760.84 : 40,284,232.50 = 18,178,274.44 : x
  2. Step 2: Convert to fraction form
    29,172,760.84/40,284,232.50 = 18,178,274.44/x
  3. Step 3: Cross multiply
    29,172,760.84x = 40,284,232.50 × 18,178,274.44
  4. Step 4: Simplify right side
    29,172,760.84x = 732,297,833,989,767.38
  5. Step 5: Solve for x
    x = 732,297,833,989,767.38/29,172,760.84
  6. Step 6: Final answer
    x = 25,102,109.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.