Home / 13,998,035.40-20,997,053.10-3,900,656.40

Finding the Fourth Proportional to 13,998,035.40, 20,997,053.10 and 3,900,656.40

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Solution

The fourth proportional to 13,998,035.40, 20,997,053.10 and 3,900,656.40 is: 5,850,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998,035.40 : 20,997,053.10 = 3,900,656.40 : x
  2. Step 2: Convert to fraction form
    13,998,035.40/20,997,053.10 = 3,900,656.40/x
  3. Step 3: Cross multiply
    13,998,035.40x = 20,997,053.10 × 3,900,656.40
  4. Step 4: Simplify right side
    13,998,035.40x = 81,902,289,555,654.84
  5. Step 5: Solve for x
    x = 81,902,289,555,654.84/13,998,035.40
  6. Step 6: Final answer
    x = 5,850,984.60

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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.