Home / 12,946,627.72-17,866,258.24-7,145,409.29

Finding the Fourth Proportional to 12,946,627.72, 17,866,258.24 and 7,145,409.29

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Solution

The fourth proportional to 12,946,627.72, 17,866,258.24 and 7,145,409.29 is: 9,860,616.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946,627.72 : 17,866,258.24 = 7,145,409.29 : x
  2. Step 2: Convert to fraction form
    12,946,627.72/17,866,258.24 = 7,145,409.29/x
  3. Step 3: Cross multiply
    12,946,627.72x = 17,866,258.24 × 7,145,409.29
  4. Step 4: Simplify right side
    12,946,627.72x = 127,661,727,569,908
  5. Step 5: Solve for x
    x = 127,661,727,569,908/12,946,627.72
  6. Step 6: Final answer
    x = 9,860,616.24

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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.