Home / 13,575,042.97-18,733,928.84-7,380,506.49

Finding the Fourth Proportional to 13,575,042.97, 18,733,928.84 and 7,380,506.49

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Solution

The fourth proportional to 13,575,042.97, 18,733,928.84 and 7,380,506.49 is: 10,185,299.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575,042.97 : 18,733,928.84 = 7,380,506.49 : x
  2. Step 2: Convert to fraction form
    13,575,042.97/18,733,928.84 = 7,380,506.49/x
  3. Step 3: Cross multiply
    13,575,042.97x = 18,733,928.84 × 7,380,506.49
  4. Step 4: Simplify right side
    13,575,042.97x = 138,265,883,386,818.17
  5. Step 5: Solve for x
    x = 138,265,883,386,818.17/13,575,042.97
  6. Step 6: Final answer
    x = 10,185,299.87

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1.5x scale

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.