Home / 28,239,171.84-42,358,752-16,882,871.04

Finding the Fourth Proportional to 28,239,171.84, 42,358,752 and 16,882,871.04

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Solution

The fourth proportional to 28,239,171.84, 42,358,752 and 16,882,871.04 is: 25,324,303.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,239,171.84 : 42,358,752 = 16,882,871.04 : x
  2. Step 2: Convert to fraction form
    28,239,171.84/42,358,752 = 16,882,871.04/x
  3. Step 3: Cross multiply
    28,239,171.84x = 42,358,752 × 16,882,871.04
  4. Step 4: Simplify right side
    28,239,171.84x = 715,137,347,431,342
  5. Step 5: Solve for x
    x = 715,137,347,431,342/28,239,171.84
  6. Step 6: Final answer
    x = 25,324,303.12

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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.