Home / 13,221,502.80-19,831,087.80-3,636,027.60

Finding the Fourth Proportional to 13,221,502.80, 19,831,087.80 and 3,636,027.60

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Solution

The fourth proportional to 13,221,502.80, 19,831,087.80 and 3,636,027.60 is: 5,453,720.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,221,502.80 : 19,831,087.80 = 3,636,027.60 : x
  2. Step 2: Convert to fraction form
    13,221,502.80/19,831,087.80 = 3,636,027.60/x
  3. Step 3: Cross multiply
    13,221,502.80x = 19,831,087.80 × 3,636,027.60
  4. Step 4: Simplify right side
    13,221,502.80x = 72,106,382,578,823.28
  5. Step 5: Solve for x
    x = 72,106,382,578,823.28/13,221,502.80
  6. Step 6: Final answer
    x = 5,453,720.63

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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.