Home / 18,684,028.65-28,030,471.65-9,587,530.20

Finding the Fourth Proportional to 18,684,028.65, 28,030,471.65 and 9,587,530.20

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Solution

The fourth proportional to 18,684,028.65, 28,030,471.65 and 9,587,530.20 is: 14,383,567.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684,028.65 : 28,030,471.65 = 9,587,530.20 : x
  2. Step 2: Convert to fraction form
    18,684,028.65/28,030,471.65 = 9,587,530.20/x
  3. Step 3: Cross multiply
    18,684,028.65x = 28,030,471.65 × 9,587,530.20
  4. Step 4: Simplify right side
    18,684,028.65x = 268,742,993,464,618.78
  5. Step 5: Solve for x
    x = 268,742,993,464,618.78/18,684,028.65
  6. Step 6: Final answer
    x = 14,383,567.83

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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.