Home / 13,954,378.51-20,931,567.96-4,370,507.11

Finding the Fourth Proportional to 13,954,378.51, 20,931,567.96 and 4,370,507.11

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Solution

The fourth proportional to 13,954,378.51, 20,931,567.96 and 4,370,507.11 is: 6,555,760.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954,378.51 : 20,931,567.96 = 4,370,507.11 : x
  2. Step 2: Convert to fraction form
    13,954,378.51/20,931,567.96 = 4,370,507.11/x
  3. Step 3: Cross multiply
    13,954,378.51x = 20,931,567.96 × 4,370,507.11
  4. Step 4: Simplify right side
    13,954,378.51x = 91,481,566,487,970.38
  5. Step 5: Solve for x
    x = 91,481,566,487,970.38/13,954,378.51
  6. Step 6: Final answer
    x = 6,555,760.72

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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.