Home / 20,785,039.84-30,958,387.54-19,852,459.52

Finding the Fourth Proportional to 20,785,039.84, 30,958,387.54 and 19,852,459.52

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Solution

The fourth proportional to 20,785,039.84, 30,958,387.54 and 19,852,459.52 is: 29,569,350.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,785,039.84 : 30,958,387.54 = 19,852,459.52 : x
  2. Step 2: Convert to fraction form
    20,785,039.84/30,958,387.54 = 19,852,459.52/x
  3. Step 3: Cross multiply
    20,785,039.84x = 30,958,387.54 × 19,852,459.52
  4. Step 4: Simplify right side
    20,785,039.84x = 614,600,135,442,322.38
  5. Step 5: Solve for x
    x = 614,600,135,442,322.38/20,785,039.84
  6. Step 6: Final answer
    x = 29,569,350.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.