Home / 12,485,089.92-18,728,881.28-3,387,330.56

Finding the Fourth Proportional to 12,485,089.92, 18,728,881.28 and 3,387,330.56

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Solution

The fourth proportional to 12,485,089.92, 18,728,881.28 and 3,387,330.56 is: 5,081,334.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,485,089.92 : 18,728,881.28 = 3,387,330.56 : x
  2. Step 2: Convert to fraction form
    12,485,089.92/18,728,881.28 = 3,387,330.56/x
  3. Step 3: Cross multiply
    12,485,089.92x = 18,728,881.28 × 3,387,330.56
  4. Step 4: Simplify right side
    12,485,089.92x = 63,440,911,914,355.92
  5. Step 5: Solve for x
    x = 63,440,911,914,355.92/12,485,089.92
  6. Step 6: Final answer
    x = 5,081,334.00

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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.