Home / 8,367,288.20-12,552,681.90-2,688,086.60

Finding the Fourth Proportional to 8,367,288.20, 12,552,681.90 and 2,688,086.60

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Solution

The fourth proportional to 8,367,288.20, 12,552,681.90 and 2,688,086.60 is: 4,032,691.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,367,288.20 : 12,552,681.90 = 2,688,086.60 : x
  2. Step 2: Convert to fraction form
    8,367,288.20/12,552,681.90 = 2,688,086.60/x
  3. Step 3: Cross multiply
    8,367,288.20x = 12,552,681.90 × 2,688,086.60
  4. Step 4: Simplify right side
    8,367,288.20x = 33,742,696,009,452.54
  5. Step 5: Solve for x
    x = 33,742,696,009,452.54/8,367,288.20
  6. Step 6: Final answer
    x = 4,032,691.98

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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.