Home / 20,137,576.24-30,189,966.72-9,361,673.20

Finding the Fourth Proportional to 20,137,576.24, 30,189,966.72 and 9,361,673.20

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Solution

The fourth proportional to 20,137,576.24, 30,189,966.72 and 9,361,673.20 is: 14,034,886.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,137,576.24 : 30,189,966.72 = 9,361,673.20 : x
  2. Step 2: Convert to fraction form
    20,137,576.24/30,189,966.72 = 9,361,673.20/x
  3. Step 3: Cross multiply
    20,137,576.24x = 30,189,966.72 × 9,361,673.20
  4. Step 4: Simplify right side
    20,137,576.24x = 282,628,602,351,515.88
  5. Step 5: Solve for x
    x = 282,628,602,351,515.88/20,137,576.24
  6. Step 6: Final answer
    x = 14,034,886.77

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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.