Home / 9,268,459.14-12,786,824.37-5,781,768.78

Finding the Fourth Proportional to 9,268,459.14, 12,786,824.37 and 5,781,768.78

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Solution

The fourth proportional to 9,268,459.14, 12,786,824.37 and 5,781,768.78 is: 7,976,564.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,268,459.14 : 12,786,824.37 = 5,781,768.78 : x
  2. Step 2: Convert to fraction form
    9,268,459.14/12,786,824.37 = 5,781,768.78/x
  3. Step 3: Cross multiply
    9,268,459.14x = 12,786,824.37 × 5,781,768.78
  4. Step 4: Simplify right side
    9,268,459.14x = 73,930,461,937,809.17
  5. Step 5: Solve for x
    x = 73,930,461,937,809.17/9,268,459.14
  6. Step 6: Final answer
    x = 7,976,564.48

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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.