Home / 21,357,872.68-32,036,469.66-5,183,957.80

Finding the Fourth Proportional to 21,357,872.68, 32,036,469.66 and 5,183,957.80

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Solution

The fourth proportional to 21,357,872.68, 32,036,469.66 and 5,183,957.80 is: 7,775,854.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,357,872.68 : 32,036,469.66 = 5,183,957.80 : x
  2. Step 2: Convert to fraction form
    21,357,872.68/32,036,469.66 = 5,183,957.80/x
  3. Step 3: Cross multiply
    21,357,872.68x = 32,036,469.66 × 5,183,957.80
  4. Step 4: Simplify right side
    21,357,872.68x = 166,075,706,778,420.34
  5. Step 5: Solve for x
    x = 166,075,706,778,420.34/21,357,872.68
  6. Step 6: Final answer
    x = 7,775,854.33

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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.