Home / 20,762,295.78-31,146,421.62-6,386,576.16

Finding the Fourth Proportional to 20,762,295.78, 31,146,421.62 and 6,386,576.16

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Solution

The fourth proportional to 20,762,295.78, 31,146,421.62 and 6,386,576.16 is: 9,580,780.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,762,295.78 : 31,146,421.62 = 6,386,576.16 : x
  2. Step 2: Convert to fraction form
    20,762,295.78/31,146,421.62 = 6,386,576.16/x
  3. Step 3: Cross multiply
    20,762,295.78x = 31,146,421.62 × 6,386,576.16
  4. Step 4: Simplify right side
    20,762,295.78x = 198,918,993,787,600.59
  5. Step 5: Solve for x
    x = 198,918,993,787,600.59/20,762,295.78
  6. Step 6: Final answer
    x = 9,580,780.27

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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.