Home / 13,298,009.17-19,947,019.22-3,200,630.17

Finding the Fourth Proportional to 13,298,009.17, 19,947,019.22 and 3,200,630.17

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Solution

The fourth proportional to 13,298,009.17, 19,947,019.22 and 3,200,630.17 is: 4,800,946.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298,009.17 : 19,947,019.22 = 3,200,630.17 : x
  2. Step 2: Convert to fraction form
    13,298,009.17/19,947,019.22 = 3,200,630.17/x
  3. Step 3: Cross multiply
    13,298,009.17x = 19,947,019.22 × 3,200,630.17
  4. Step 4: Simplify right side
    13,298,009.17x = 63,843,031,517,101.86
  5. Step 5: Solve for x
    x = 63,843,031,517,101.86/13,298,009.17
  6. Step 6: Final answer
    x = 4,800,946.57

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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.