Home / 12,355,961.43-17,041,116.26-8,696,990.55

Finding the Fourth Proportional to 12,355,961.43, 17,041,116.26 and 8,696,990.55

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Solution

The fourth proportional to 12,355,961.43, 17,041,116.26 and 8,696,990.55 is: 11,994,730.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355,961.43 : 17,041,116.26 = 8,696,990.55 : x
  2. Step 2: Convert to fraction form
    12,355,961.43/17,041,116.26 = 8,696,990.55/x
  3. Step 3: Cross multiply
    12,355,961.43x = 17,041,116.26 × 8,696,990.55
  4. Step 4: Simplify right side
    12,355,961.43x = 148,206,427,031,186.41
  5. Step 5: Solve for x
    x = 148,206,427,031,186.41/12,355,961.43
  6. Step 6: Final answer
    x = 11,994,730.47

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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.