Home / 28,425,261.52-42,628,344.56-9,251,509.36

Finding the Fourth Proportional to 28,425,261.52, 42,628,344.56 and 9,251,509.36

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Solution

The fourth proportional to 28,425,261.52, 42,628,344.56 and 9,251,509.36 is: 13,874,156.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,425,261.52 : 42,628,344.56 = 9,251,509.36 : x
  2. Step 2: Convert to fraction form
    28,425,261.52/42,628,344.56 = 9,251,509.36/x
  3. Step 3: Cross multiply
    28,425,261.52x = 42,628,344.56 × 9,251,509.36
  4. Step 4: Simplify right side
    28,425,261.52x = 394,376,528,698,145.06
  5. Step 5: Solve for x
    x = 394,376,528,698,145.06/28,425,261.52
  6. Step 6: Final answer
    x = 13,874,156.56

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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.