Home / 13,403,496.96-20,113,643.46-5,425,320.96

Finding the Fourth Proportional to 13,403,496.96, 20,113,643.46 and 5,425,320.96

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Solution

The fourth proportional to 13,403,496.96, 20,113,643.46 and 5,425,320.96 is: 8,141,380.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403,496.96 : 20,113,643.46 = 5,425,320.96 : x
  2. Step 2: Convert to fraction form
    13,403,496.96/20,113,643.46 = 5,425,320.96/x
  3. Step 3: Cross multiply
    13,403,496.96x = 20,113,643.46 × 5,425,320.96
  4. Step 4: Simplify right side
    13,403,496.96x = 109,122,971,445,504.92
  5. Step 5: Solve for x
    x = 109,122,971,445,504.92/13,403,496.96
  6. Step 6: Final answer
    x = 8,141,380.70

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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.