Home / 21,388,812.85-32,075,164.59-7,738,584.68

Finding the Fourth Proportional to 21,388,812.85, 32,075,164.59 and 7,738,584.68

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Solution

The fourth proportional to 21,388,812.85, 32,075,164.59 and 7,738,584.68 is: 11,604,962.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,388,812.85 : 32,075,164.59 = 7,738,584.68 : x
  2. Step 2: Convert to fraction form
    21,388,812.85/32,075,164.59 = 7,738,584.68/x
  3. Step 3: Cross multiply
    21,388,812.85x = 32,075,164.59 × 7,738,584.68
  4. Step 4: Simplify right side
    21,388,812.85x = 248,216,377,355,820.69
  5. Step 5: Solve for x
    x = 248,216,377,355,820.69/21,388,812.85
  6. Step 6: Final answer
    x = 11,604,962.79

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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.