Home / 13,753,940.80-20,630,911.20-7,376,648.80

Finding the Fourth Proportional to 13,753,940.80, 20,630,911.20 and 7,376,648.80

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Solution

The fourth proportional to 13,753,940.80, 20,630,911.20 and 7,376,648.80 is: 11,064,973.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753,940.80 : 20,630,911.20 = 7,376,648.80 : x
  2. Step 2: Convert to fraction form
    13,753,940.80/20,630,911.20 = 7,376,648.80/x
  3. Step 3: Cross multiply
    13,753,940.80x = 20,630,911.20 × 7,376,648.80
  4. Step 4: Simplify right side
    13,753,940.80x = 152,186,986,346,386.56
  5. Step 5: Solve for x
    x = 152,186,986,346,386.56/13,753,940.80
  6. Step 6: Final answer
    x = 11,064,973.20

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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.