Home / 18,236,886.60-27,351,830.70-5,457,808.20

Finding the Fourth Proportional to 18,236,886.60, 27,351,830.70 and 5,457,808.20

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Solution

The fourth proportional to 18,236,886.60, 27,351,830.70 and 5,457,808.20 is: 8,185,665.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236,886.60 : 27,351,830.70 = 5,457,808.20 : x
  2. Step 2: Convert to fraction form
    18,236,886.60/27,351,830.70 = 5,457,808.20/x
  3. Step 3: Cross multiply
    18,236,886.60x = 27,351,830.70 × 5,457,808.20
  4. Step 4: Simplify right side
    18,236,886.60x = 149,281,045,879,471.75
  5. Step 5: Solve for x
    x = 149,281,045,879,471.75/18,236,886.60
  6. Step 6: Final answer
    x = 8,185,665.08

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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.