Home / 12,946,614.57-17,866,240.34-7,145,396.33

Finding the Fourth Proportional to 12,946,614.57, 17,866,240.34 and 7,145,396.33

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Solution

The fourth proportional to 12,946,614.57, 17,866,240.34 and 7,145,396.33 is: 9,860,598.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946,614.57 : 17,866,240.34 = 7,145,396.33 : x
  2. Step 2: Convert to fraction form
    12,946,614.57/17,866,240.34 = 7,145,396.33/x
  3. Step 3: Cross multiply
    12,946,614.57x = 17,866,240.34 × 7,145,396.33
  4. Step 4: Simplify right side
    12,946,614.57x = 127,661,368,031,275.78
  5. Step 5: Solve for x
    x = 127,661,368,031,275.78/12,946,614.57
  6. Step 6: Final answer
    x = 9,860,598.49

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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.