Home / 19,120,958.04-28,681,401.16-5,991,381

Finding the Fourth Proportional to 19,120,958.04, 28,681,401.16 and 5,991,381

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Solution

The fourth proportional to 19,120,958.04, 28,681,401.16 and 5,991,381 is: 8,987,060.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120,958.04 : 28,681,401.16 = 5,991,381 : x
  2. Step 2: Convert to fraction form
    19,120,958.04/28,681,401.16 = 5,991,381/x
  3. Step 3: Cross multiply
    19,120,958.04x = 28,681,401.16 × 5,991,381
  4. Step 4: Simplify right side
    19,120,958.04x = 171,841,201,948,423.50
  5. Step 5: Solve for x
    x = 171,841,201,948,423.50/19,120,958.04
  6. Step 6: Final answer
    x = 8,987,060.25

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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.