Home / 12,066,143.90-18,074,982.69-5,580,127.92

Finding the Fourth Proportional to 12,066,143.90, 18,074,982.69 and 5,580,127.92

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Solution

The fourth proportional to 12,066,143.90, 18,074,982.69 and 5,580,127.92 is: 8,358,984.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,066,143.90 : 18,074,982.69 = 5,580,127.92 : x
  2. Step 2: Convert to fraction form
    12,066,143.90/18,074,982.69 = 5,580,127.92/x
  3. Step 3: Cross multiply
    12,066,143.90x = 18,074,982.69 × 5,580,127.92
  4. Step 4: Simplify right side
    12,066,143.90x = 100,860,715,561,985.70
  5. Step 5: Solve for x
    x = 100,860,715,561,985.70/12,066,143.90
  6. Step 6: Final answer
    x = 8,358,984.98

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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.