Home / 15,004,984.30-20,706,874.25-8,129,466.36

Finding the Fourth Proportional to 15,004,984.30, 20,706,874.25 and 8,129,466.36

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Solution

The fourth proportional to 15,004,984.30, 20,706,874.25 and 8,129,466.36 is: 11,218,661.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,004,984.30 : 20,706,874.25 = 8,129,466.36 : x
  2. Step 2: Convert to fraction form
    15,004,984.30/20,706,874.25 = 8,129,466.36/x
  3. Step 3: Cross multiply
    15,004,984.30x = 20,706,874.25 × 8,129,466.36
  4. Step 4: Simplify right side
    15,004,984.30x = 168,335,837,636,125.25
  5. Step 5: Solve for x
    x = 168,335,837,636,125.25/15,004,984.30
  6. Step 6: Final answer
    x = 11,218,661.36

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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.