Home / 20,319,011.49-28,040,253.93-11,026,581.48

Finding the Fourth Proportional to 20,319,011.49, 28,040,253.93 and 11,026,581.48

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Solution

The fourth proportional to 20,319,011.49, 28,040,253.93 and 11,026,581.48 is: 15,216,692.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,319,011.49 : 28,040,253.93 = 11,026,581.48 : x
  2. Step 2: Convert to fraction form
    20,319,011.49/28,040,253.93 = 11,026,581.48/x
  3. Step 3: Cross multiply
    20,319,011.49x = 28,040,253.93 × 11,026,581.48
  4. Step 4: Simplify right side
    20,319,011.49x = 309,188,144,679,035.25
  5. Step 5: Solve for x
    x = 309,188,144,679,035.25/20,319,011.49
  6. Step 6: Final answer
    x = 15,216,692.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.