Home / 28,424,512.37-42,655,690.20-15,473,932.16

Finding the Fourth Proportional to 28,424,512.37, 42,655,690.20 and 15,473,932.16

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Solution

The fourth proportional to 28,424,512.37, 42,655,690.20 and 15,473,932.16 is: 23,221,198.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,424,512.37 : 42,655,690.20 = 15,473,932.16 : x
  2. Step 2: Convert to fraction form
    28,424,512.37/42,655,690.20 = 15,473,932.16/x
  3. Step 3: Cross multiply
    28,424,512.37x = 42,655,690.20 × 15,473,932.16
  4. Step 4: Simplify right side
    28,424,512.37x = 660,051,256,179,498.38
  5. Step 5: Solve for x
    x = 660,051,256,179,498.38/28,424,512.37
  6. Step 6: Final answer
    x = 23,221,198.93

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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.