Home / 36,219,965.43-49,967,063.82-21,527,281.47

Finding the Fourth Proportional to 36,219,965.43, 49,967,063.82 and 21,527,281.47

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Solution

The fourth proportional to 36,219,965.43, 49,967,063.82 and 21,527,281.47 is: 29,697,848.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,219,965.43 : 49,967,063.82 = 21,527,281.47 : x
  2. Step 2: Convert to fraction form
    36,219,965.43/49,967,063.82 = 21,527,281.47/x
  3. Step 3: Cross multiply
    36,219,965.43x = 49,967,063.82 × 21,527,281.47
  4. Step 4: Simplify right side
    36,219,965.43x = 1,075,655,047,082,593.38
  5. Step 5: Solve for x
    x = 1,075,655,047,082,593.38/36,219,965.43
  6. Step 6: Final answer
    x = 29,697,848.53

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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.