Home / 52,805,119.90-79,221,676.65-18,722,911.90

Finding the Fourth Proportional to 52,805,119.90, 79,221,676.65 and 18,722,911.90

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Solution

The fourth proportional to 52,805,119.90, 79,221,676.65 and 18,722,911.90 is: 28,089,330.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,805,119.90 : 79,221,676.65 = 18,722,911.90 : x
  2. Step 2: Convert to fraction form
    52,805,119.90/79,221,676.65 = 18,722,911.90/x
  3. Step 3: Cross multiply
    52,805,119.90x = 79,221,676.65 × 18,722,911.90
  4. Step 4: Simplify right side
    52,805,119.90x = 1,483,260,472,488,237.25
  5. Step 5: Solve for x
    x = 1,483,260,472,488,237.25/52,805,119.90
  6. Step 6: Final answer
    x = 28,089,330.64

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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.