Home / 12,946,674.33-17,866,322.55-7,145,455.95

Finding the Fourth Proportional to 12,946,674.33, 17,866,322.55 and 7,145,455.95

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Solution

The fourth proportional to 12,946,674.33, 17,866,322.55 and 7,145,455.95 is: 9,860,680.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946,674.33 : 17,866,322.55 = 7,145,455.95 : x
  2. Step 2: Convert to fraction form
    12,946,674.33/17,866,322.55 = 7,145,455.95/x
  3. Step 3: Cross multiply
    12,946,674.33x = 17,866,322.55 × 7,145,455.95
  4. Step 4: Simplify right side
    12,946,674.33x = 127,663,020,769,516.69
  5. Step 5: Solve for x
    x = 127,663,020,769,516.69/12,946,674.33
  6. Step 6: Final answer
    x = 9,860,680.63

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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.