Home / 8,147,590.80-12,221,386.20-4,102,515.60

Finding the Fourth Proportional to 8,147,590.80, 12,221,386.20 and 4,102,515.60

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Solution

The fourth proportional to 8,147,590.80, 12,221,386.20 and 4,102,515.60 is: 6,153,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147,590.80 : 12,221,386.20 = 4,102,515.60 : x
  2. Step 2: Convert to fraction form
    8,147,590.80/12,221,386.20 = 4,102,515.60/x
  3. Step 3: Cross multiply
    8,147,590.80x = 12,221,386.20 × 4,102,515.60
  4. Step 4: Simplify right side
    8,147,590.80x = 50,138,427,539,124.72
  5. Step 5: Solve for x
    x = 50,138,427,539,124.72/8,147,590.80
  6. Step 6: Final answer
    x = 6,153,773.40

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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.