Home / 12,556,058.40-18,834,087.60-6,170,407.20

Finding the Fourth Proportional to 12,556,058.40, 18,834,087.60 and 6,170,407.20

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Solution

The fourth proportional to 12,556,058.40, 18,834,087.60 and 6,170,407.20 is: 9,255,610.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556,058.40 : 18,834,087.60 = 6,170,407.20 : x
  2. Step 2: Convert to fraction form
    12,556,058.40/18,834,087.60 = 6,170,407.20/x
  3. Step 3: Cross multiply
    12,556,058.40x = 18,834,087.60 × 6,170,407.20
  4. Step 4: Simplify right side
    12,556,058.40x = 116,213,989,732,470.73
  5. Step 5: Solve for x
    x = 116,213,989,732,470.73/12,556,058.40
  6. Step 6: Final answer
    x = 9,255,610.80

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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.