Home / 12,146,462.63-16,762,115.95-6,639,860.44

Finding the Fourth Proportional to 12,146,462.63, 16,762,115.95 and 6,639,860.44

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Solution

The fourth proportional to 12,146,462.63, 16,762,115.95 and 6,639,860.44 is: 9,163,006.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,146,462.63 : 16,762,115.95 = 6,639,860.44 : x
  2. Step 2: Convert to fraction form
    12,146,462.63/16,762,115.95 = 6,639,860.44/x
  3. Step 3: Cross multiply
    12,146,462.63x = 16,762,115.95 × 6,639,860.44
  4. Step 4: Simplify right side
    12,146,462.63x = 111,298,110,587,098.02
  5. Step 5: Solve for x
    x = 111,298,110,587,098.02/12,146,462.63
  6. Step 6: Final answer
    x = 9,163,006.05

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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.