Home / 8,005,031.20-12,009,791.64-3,216,083.32

Finding the Fourth Proportional to 8,005,031.20, 12,009,791.64 and 3,216,083.32

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Solution

The fourth proportional to 8,005,031.20, 12,009,791.64 and 3,216,083.32 is: 4,825,026.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,005,031.20 : 12,009,791.64 = 3,216,083.32 : x
  2. Step 2: Convert to fraction form
    8,005,031.20/12,009,791.64 = 3,216,083.32/x
  3. Step 3: Cross multiply
    8,005,031.20x = 12,009,791.64 × 3,216,083.32
  4. Step 4: Simplify right side
    8,005,031.20x = 38,624,490,570,079.45
  5. Step 5: Solve for x
    x = 38,624,490,570,079.45/8,005,031.20
  6. Step 6: Final answer
    x = 4,825,026.86

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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.