Home / 28,873,870.60-43,310,805.90-18,124,328.20

Finding the Fourth Proportional to 28,873,870.60, 43,310,805.90 and 18,124,328.20

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Solution

The fourth proportional to 28,873,870.60, 43,310,805.90 and 18,124,328.20 is: 27,186,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,873,870.60 : 43,310,805.90 = 18,124,328.20 : x
  2. Step 2: Convert to fraction form
    28,873,870.60/43,310,805.90 = 18,124,328.20/x
  3. Step 3: Cross multiply
    28,873,870.60x = 43,310,805.90 × 18,124,328.20
  4. Step 4: Simplify right side
    28,873,870.60x = 784,979,260,738,096.38
  5. Step 5: Solve for x
    x = 784,979,260,738,096.38/28,873,870.60
  6. Step 6: Final answer
    x = 27,186,492.30

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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.