Home / 13,338,492.28-18,400,019.00-8,113,098.65

Finding the Fourth Proportional to 13,338,492.28, 18,400,019.00 and 8,113,098.65

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Solution

The fourth proportional to 13,338,492.28, 18,400,019.00 and 8,113,098.65 is: 11,191,757.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338,492.28 : 18,400,019.00 = 8,113,098.65 : x
  2. Step 2: Convert to fraction form
    13,338,492.28/18,400,019.00 = 8,113,098.65/x
  3. Step 3: Cross multiply
    13,338,492.28x = 18,400,019.00 × 8,113,098.65
  4. Step 4: Simplify right side
    13,338,492.28x = 149,281,169,176,308.75
  5. Step 5: Solve for x
    x = 149,281,169,176,308.75/13,338,492.28
  6. Step 6: Final answer
    x = 11,191,757.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.