Home / 28,873,872.10-43,310,808.15-18,124,329.70

Finding the Fourth Proportional to 28,873,872.10, 43,310,808.15 and 18,124,329.70

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Solution

The fourth proportional to 28,873,872.10, 43,310,808.15 and 18,124,329.70 is: 27,186,494.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,873,872.10 : 43,310,808.15 = 18,124,329.70 : x
  2. Step 2: Convert to fraction form
    28,873,872.10/43,310,808.15 = 18,124,329.70/x
  3. Step 3: Cross multiply
    28,873,872.10x = 43,310,808.15 × 18,124,329.70
  4. Step 4: Simplify right side
    28,873,872.10x = 784,979,366,484,047
  5. Step 5: Solve for x
    x = 784,979,366,484,047/28,873,872.10
  6. Step 6: Final answer
    x = 27,186,494.55

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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.