Home / 21,425,860.80-32,139,052.56-6,280,098.48

Finding the Fourth Proportional to 21,425,860.80, 32,139,052.56 and 6,280,098.48

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Solution

The fourth proportional to 21,425,860.80, 32,139,052.56 and 6,280,098.48 is: 9,420,224.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,425,860.80 : 32,139,052.56 = 6,280,098.48 : x
  2. Step 2: Convert to fraction form
    21,425,860.80/32,139,052.56 = 6,280,098.48/x
  3. Step 3: Cross multiply
    21,425,860.80x = 32,139,052.56 × 6,280,098.48
  4. Step 4: Simplify right side
    21,425,860.80x = 201,836,415,130,696.12
  5. Step 5: Solve for x
    x = 201,836,415,130,696.12/21,425,860.80
  6. Step 6: Final answer
    x = 9,420,224.33

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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.