Home / 12,658,200.52-17,464,019.70-7,150,770.76

Finding the Fourth Proportional to 12,658,200.52, 17,464,019.70 and 7,150,770.76

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Solution

The fourth proportional to 12,658,200.52, 17,464,019.70 and 7,150,770.76 is: 9,865,636.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,658,200.52 : 17,464,019.70 = 7,150,770.76 : x
  2. Step 2: Convert to fraction form
    12,658,200.52/17,464,019.70 = 7,150,770.76/x
  3. Step 3: Cross multiply
    12,658,200.52x = 17,464,019.70 × 7,150,770.76
  4. Step 4: Simplify right side
    12,658,200.52x = 124,881,201,422,823.97
  5. Step 5: Solve for x
    x = 124,881,201,422,823.97/12,658,200.52
  6. Step 6: Final answer
    x = 9,865,636.21

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Double scale
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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.