Home / 13,338,621.90-18,407,310.52-7,227,050.40

Finding the Fourth Proportional to 13,338,621.90, 18,407,310.52 and 7,227,050.40

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Solution

The fourth proportional to 13,338,621.90, 18,407,310.52 and 7,227,050.40 is: 9,973,336.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338,621.90 : 18,407,310.52 = 7,227,050.40 : x
  2. Step 2: Convert to fraction form
    13,338,621.90/18,407,310.52 = 7,227,050.40/x
  3. Step 3: Cross multiply
    13,338,621.90x = 18,407,310.52 × 7,227,050.40
  4. Step 4: Simplify right side
    13,338,621.90x = 133,030,560,838,422.58
  5. Step 5: Solve for x
    x = 133,030,560,838,422.58/13,338,621.90
  6. Step 6: Final answer
    x = 9,973,336.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.