Home / 39,811,442.40-59,669,924.40-20,632,327.20

Finding the Fourth Proportional to 39,811,442.40, 59,669,924.40 and 20,632,327.20

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Solution

The fourth proportional to 39,811,442.40, 59,669,924.40 and 20,632,327.20 is: 30,924,009.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,811,442.40 : 59,669,924.40 = 20,632,327.20 : x
  2. Step 2: Convert to fraction form
    39,811,442.40/59,669,924.40 = 20,632,327.20/x
  3. Step 3: Cross multiply
    39,811,442.40x = 59,669,924.40 × 20,632,327.20
  4. Step 4: Simplify right side
    39,811,442.40x = 1,231,129,404,220,063.50
  5. Step 5: Solve for x
    x = 1,231,129,404,220,063.50/39,811,442.40
  6. Step 6: Final answer
    x = 30,924,009.03

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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.