Home / 13,309,849.60-19,964,774.40-4,789,078.90

Finding the Fourth Proportional to 13,309,849.60, 19,964,774.40 and 4,789,078.90

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Solution

The fourth proportional to 13,309,849.60, 19,964,774.40 and 4,789,078.90 is: 7,183,618.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,849.60 : 19,964,774.40 = 4,789,078.90 : x
  2. Step 2: Convert to fraction form
    13,309,849.60/19,964,774.40 = 4,789,078.90/x
  3. Step 3: Cross multiply
    13,309,849.60x = 19,964,774.40 × 4,789,078.90
  4. Step 4: Simplify right side
    13,309,849.60x = 95,612,879,822,300.16
  5. Step 5: Solve for x
    x = 95,612,879,822,300.16/13,309,849.60
  6. Step 6: Final answer
    x = 7,183,618.35

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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.