Home / 21,775,534.65-32,662,416.13-5,380,406.21

Finding the Fourth Proportional to 21,775,534.65, 32,662,416.13 and 5,380,406.21

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Solution

The fourth proportional to 21,775,534.65, 32,662,416.13 and 5,380,406.21 is: 8,070,390.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,775,534.65 : 32,662,416.13 = 5,380,406.21 : x
  2. Step 2: Convert to fraction form
    21,775,534.65/32,662,416.13 = 5,380,406.21/x
  3. Step 3: Cross multiply
    21,775,534.65x = 32,662,416.13 × 5,380,406.21
  4. Step 4: Simplify right side
    21,775,534.65x = 175,737,066,647,661.22
  5. Step 5: Solve for x
    x = 175,737,066,647,661.22/21,775,534.65
  6. Step 6: Final answer
    x = 8,070,390.44

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1.5x scale

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.