Home / 28,043,799.44-38,700,338.83-15,653,784.69

Finding the Fourth Proportional to 28,043,799.44, 38,700,338.83 and 15,653,784.69

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Solution

The fourth proportional to 28,043,799.44, 38,700,338.83 and 15,653,784.69 is: 21,602,164.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,043,799.44 : 38,700,338.83 = 15,653,784.69 : x
  2. Step 2: Convert to fraction form
    28,043,799.44/38,700,338.83 = 15,653,784.69/x
  3. Step 3: Cross multiply
    28,043,799.44x = 38,700,338.83 × 15,653,784.69
  4. Step 4: Simplify right side
    28,043,799.44x = 605,806,771,435,732
  5. Step 5: Solve for x
    x = 605,806,771,435,732/28,043,799.44
  6. Step 6: Final answer
    x = 21,602,164.60

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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.