Home / 12,112,615.40-18,152,334.30-9,873,127.40

Finding the Fourth Proportional to 12,112,615.40, 18,152,334.30 and 9,873,127.40

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Solution

The fourth proportional to 12,112,615.40, 18,152,334.30 and 9,873,127.40 is: 14,796,169.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,112,615.40 : 18,152,334.30 = 9,873,127.40 : x
  2. Step 2: Convert to fraction form
    12,112,615.40/18,152,334.30 = 9,873,127.40/x
  3. Step 3: Cross multiply
    12,112,615.40x = 18,152,334.30 × 9,873,127.40
  4. Step 4: Simplify right side
    12,112,615.40x = 179,220,309,151,289.84
  5. Step 5: Solve for x
    x = 179,220,309,151,289.84/12,112,615.40
  6. Step 6: Final answer
    x = 14,796,169.38

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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.