Home / 28,873,872.60-43,310,808.90-18,124,330.20

Finding the Fourth Proportional to 28,873,872.60, 43,310,808.90 and 18,124,330.20

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Solution

The fourth proportional to 28,873,872.60, 43,310,808.90 and 18,124,330.20 is: 27,186,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,873,872.60 : 43,310,808.90 = 18,124,330.20 : x
  2. Step 2: Convert to fraction form
    28,873,872.60/43,310,808.90 = 18,124,330.20/x
  3. Step 3: Cross multiply
    28,873,872.60x = 43,310,808.90 × 18,124,330.20
  4. Step 4: Simplify right side
    28,873,872.60x = 784,979,401,732,698.75
  5. Step 5: Solve for x
    x = 784,979,401,732,698.75/28,873,872.60
  6. Step 6: Final answer
    x = 27,186,495.30

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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.