Home / 12,660,006.21-17,470,892.45-6,858,787.95

Finding the Fourth Proportional to 12,660,006.21, 17,470,892.45 and 6,858,787.95

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Solution

The fourth proportional to 12,660,006.21, 17,470,892.45 and 6,858,787.95 is: 9,465,172.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,660,006.21 : 17,470,892.45 = 6,858,787.95 : x
  2. Step 2: Convert to fraction form
    12,660,006.21/17,470,892.45 = 6,858,787.95/x
  3. Step 3: Cross multiply
    12,660,006.21x = 17,470,892.45 × 6,858,787.95
  4. Step 4: Simplify right side
    12,660,006.21x = 119,829,146,490,157.58
  5. Step 5: Solve for x
    x = 119,829,146,490,157.58/12,660,006.21
  6. Step 6: Final answer
    x = 9,465,172.81

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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.