Home / 12,296,715.30-18,445,072.95-7,194,881.70

Finding the Fourth Proportional to 12,296,715.30, 18,445,072.95 and 7,194,881.70

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Solution

The fourth proportional to 12,296,715.30, 18,445,072.95 and 7,194,881.70 is: 10,792,322.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296,715.30 : 18,445,072.95 = 7,194,881.70 : x
  2. Step 2: Convert to fraction form
    12,296,715.30/18,445,072.95 = 7,194,881.70/x
  3. Step 3: Cross multiply
    12,296,715.30x = 18,445,072.95 × 7,194,881.70
  4. Step 4: Simplify right side
    12,296,715.30x = 132,710,117,823,120.02
  5. Step 5: Solve for x
    x = 132,710,117,823,120.02/12,296,715.30
  6. Step 6: Final answer
    x = 10,792,322.55

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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.