Home / 20,019,423.51-29,980,642.41-13,854,129.26

Finding the Fourth Proportional to 20,019,423.51, 29,980,642.41 and 13,854,129.26

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Solution

The fourth proportional to 20,019,423.51, 29,980,642.41 and 13,854,129.26 is: 20,747,635.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019,423.51 : 29,980,642.41 = 13,854,129.26 : x
  2. Step 2: Convert to fraction form
    20,019,423.51/29,980,642.41 = 13,854,129.26/x
  3. Step 3: Cross multiply
    20,019,423.51x = 29,980,642.41 × 13,854,129.26
  4. Step 4: Simplify right side
    20,019,423.51x = 415,355,695,096,074.75
  5. Step 5: Solve for x
    x = 415,355,695,096,074.75/20,019,423.51
  6. Step 6: Final answer
    x = 20,747,635.16

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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.