Home / 39,011,753.28-53,836,218.54-21,609,219.51

Finding the Fourth Proportional to 39,011,753.28, 53,836,218.54 and 21,609,219.51

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Solution

The fourth proportional to 39,011,753.28, 53,836,218.54 and 21,609,219.51 is: 29,820,722.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,011,753.28 : 53,836,218.54 = 21,609,219.51 : x
  2. Step 2: Convert to fraction form
    39,011,753.28/53,836,218.54 = 21,609,219.51/x
  3. Step 3: Cross multiply
    39,011,753.28x = 53,836,218.54 × 21,609,219.51
  4. Step 4: Simplify right side
    39,011,753.28x = 1,163,358,664,019,191.75
  5. Step 5: Solve for x
    x = 1,163,358,664,019,191.75/39,011,753.28
  6. Step 6: Final answer
    x = 29,820,722.38

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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.