Home / 12,946,606.47-17,866,229.03-7,145,388.19

Finding the Fourth Proportional to 12,946,606.47, 17,866,229.03 and 7,145,388.19

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Solution

The fourth proportional to 12,946,606.47, 17,866,229.03 and 7,145,388.19 is: 9,860,587.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946,606.47 : 17,866,229.03 = 7,145,388.19 : x
  2. Step 2: Convert to fraction form
    12,946,606.47/17,866,229.03 = 7,145,388.19/x
  3. Step 3: Cross multiply
    12,946,606.47x = 17,866,229.03 × 7,145,388.19
  4. Step 4: Simplify right side
    12,946,606.47x = 127,661,141,974,445.17
  5. Step 5: Solve for x
    x = 127,661,141,974,445.17/12,946,606.47
  6. Step 6: Final answer
    x = 9,860,587.19

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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.