Home / 12,973,639.80-19,465,989.30-8,185,006.20

Finding the Fourth Proportional to 12,973,639.80, 19,465,989.30 and 8,185,006.20

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Solution

The fourth proportional to 12,973,639.80, 19,465,989.30 and 8,185,006.20 is: 12,280,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,973,639.80 : 19,465,989.30 = 8,185,006.20 : x
  2. Step 2: Convert to fraction form
    12,973,639.80/19,465,989.30 = 8,185,006.20/x
  3. Step 3: Cross multiply
    12,973,639.80x = 19,465,989.30 × 8,185,006.20
  4. Step 4: Simplify right side
    12,973,639.80x = 159,329,243,109,633.66
  5. Step 5: Solve for x
    x = 159,329,243,109,633.66/12,973,639.80
  6. Step 6: Final answer
    x = 12,280,997.90

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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.