Home / 20,019,423.64-29,980,642.54-13,854,129.48

Finding the Fourth Proportional to 20,019,423.64, 29,980,642.54 and 13,854,129.48

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Solution

The fourth proportional to 20,019,423.64, 29,980,642.54 and 13,854,129.48 is: 20,747,635.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019,423.64 : 29,980,642.54 = 13,854,129.48 : x
  2. Step 2: Convert to fraction form
    20,019,423.64/29,980,642.54 = 13,854,129.48/x
  3. Step 3: Cross multiply
    20,019,423.64x = 29,980,642.54 × 13,854,129.48
  4. Step 4: Simplify right side
    20,019,423.64x = 415,355,703,642,756.06
  5. Step 5: Solve for x
    x = 415,355,703,642,756.06/20,019,423.64
  6. Step 6: Final answer
    x = 20,747,635.45

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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.