Home / 8,124,442.54-11,205,193.27-7,142,281.57

Finding the Fourth Proportional to 8,124,442.54, 11,205,193.27 and 7,142,281.57

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Solution

The fourth proportional to 8,124,442.54, 11,205,193.27 and 7,142,281.57 is: 9,850,601.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124,442.54 : 11,205,193.27 = 7,142,281.57 : x
  2. Step 2: Convert to fraction form
    8,124,442.54/11,205,193.27 = 7,142,281.57/x
  3. Step 3: Cross multiply
    8,124,442.54x = 11,205,193.27 × 7,142,281.57
  4. Step 4: Simplify right side
    8,124,442.54x = 80,030,645,380,609.03
  5. Step 5: Solve for x
    x = 80,030,645,380,609.03/8,124,442.54
  6. Step 6: Final answer
    x = 9,850,601.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.