Home / 28,067,557.20-42,101,335.80-17,249,780.40

Finding the Fourth Proportional to 28,067,557.20, 42,101,335.80 and 17,249,780.40

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Solution

The fourth proportional to 28,067,557.20, 42,101,335.80 and 17,249,780.40 is: 25,874,670.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,067,557.20 : 42,101,335.80 = 17,249,780.40 : x
  2. Step 2: Convert to fraction form
    28,067,557.20/42,101,335.80 = 17,249,780.40/x
  3. Step 3: Cross multiply
    28,067,557.20x = 42,101,335.80 × 17,249,780.40
  4. Step 4: Simplify right side
    28,067,557.20x = 726,238,797,096,658.25
  5. Step 5: Solve for x
    x = 726,238,797,096,658.25/28,067,557.20
  6. Step 6: Final answer
    x = 25,874,670.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.