Home / 13,191,567.46-18,203,444.31-7,311,144.09

Finding the Fourth Proportional to 13,191,567.46, 18,203,444.31 and 7,311,144.09

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Solution

The fourth proportional to 13,191,567.46, 18,203,444.31 and 7,311,144.09 is: 10,088,869.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,191,567.46 : 18,203,444.31 = 7,311,144.09 : x
  2. Step 2: Convert to fraction form
    13,191,567.46/18,203,444.31 = 7,311,144.09/x
  3. Step 3: Cross multiply
    13,191,567.46x = 18,203,444.31 × 7,311,144.09
  4. Step 4: Simplify right side
    13,191,567.46x = 133,088,004,216,294.53
  5. Step 5: Solve for x
    x = 133,088,004,216,294.53/13,191,567.46
  6. Step 6: Final answer
    x = 10,088,869.62

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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.