Home / 8,142,315.41-12,213,865.90-2,677,289.23

Finding the Fourth Proportional to 8,142,315.41, 12,213,865.90 and 2,677,289.23

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Solution

The fourth proportional to 8,142,315.41, 12,213,865.90 and 2,677,289.23 is: 4,016,062.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142,315.41 : 12,213,865.90 = 2,677,289.23 : x
  2. Step 2: Convert to fraction form
    8,142,315.41/12,213,865.90 = 2,677,289.23/x
  3. Step 3: Cross multiply
    8,142,315.41x = 12,213,865.90 × 2,677,289.23
  4. Step 4: Simplify right side
    8,142,315.41x = 32,700,051,569,664.93
  5. Step 5: Solve for x
    x = 32,700,051,569,664.93/8,142,315.41
  6. Step 6: Final answer
    x = 4,016,062.99

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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.