Home / 8,160,958.80-12,249,311.40-4,122,007.20

Finding the Fourth Proportional to 8,160,958.80, 12,249,311.40 and 4,122,007.20

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Solution

The fourth proportional to 8,160,958.80, 12,249,311.40 and 4,122,007.20 is: 6,186,987.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160,958.80 : 12,249,311.40 = 4,122,007.20 : x
  2. Step 2: Convert to fraction form
    8,160,958.80/12,249,311.40 = 4,122,007.20/x
  3. Step 3: Cross multiply
    8,160,958.80x = 12,249,311.40 × 4,122,007.20
  4. Step 4: Simplify right side
    8,160,958.80x = 50,491,749,785,842.09
  5. Step 5: Solve for x
    x = 50,491,749,785,842.09/8,160,958.80
  6. Step 6: Final answer
    x = 6,186,987.46

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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.