Home / 21,357,876.18-32,036,474.91-5,183,961.30

Finding the Fourth Proportional to 21,357,876.18, 32,036,474.91 and 5,183,961.30

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Solution

The fourth proportional to 21,357,876.18, 32,036,474.91 and 5,183,961.30 is: 7,775,859.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,357,876.18 : 32,036,474.91 = 5,183,961.30 : x
  2. Step 2: Convert to fraction form
    21,357,876.18/32,036,474.91 = 5,183,961.30/x
  3. Step 3: Cross multiply
    21,357,876.18x = 32,036,474.91 × 5,183,961.30
  4. Step 4: Simplify right side
    21,357,876.18x = 166,075,846,121,860.97
  5. Step 5: Solve for x
    x = 166,075,846,121,860.97/21,357,876.18
  6. Step 6: Final answer
    x = 7,775,859.58

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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.