Home / 39,864,533.39-55,011,851.45-21,982,744.19

Finding the Fourth Proportional to 39,864,533.39, 55,011,851.45 and 21,982,744.19

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Solution

The fourth proportional to 39,864,533.39, 55,011,851.45 and 21,982,744.19 is: 30,335,522.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,864,533.39 : 55,011,851.45 = 21,982,744.19 : x
  2. Step 2: Convert to fraction form
    39,864,533.39/55,011,851.45 = 21,982,744.19/x
  3. Step 3: Cross multiply
    39,864,533.39x = 55,011,851.45 × 21,982,744.19
  4. Step 4: Simplify right side
    39,864,533.39x = 1,209,311,457,733,717
  5. Step 5: Solve for x
    x = 1,209,311,457,733,717/39,864,533.39
  6. Step 6: Final answer
    x = 30,335,522.70

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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.