Home / 28,095,958.15-42,142,974.94-11,911,487.47

Finding the Fourth Proportional to 28,095,958.15, 42,142,974.94 and 11,911,487.47

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Solution

The fourth proportional to 28,095,958.15, 42,142,974.94 and 11,911,487.47 is: 17,866,823.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,095,958.15 : 42,142,974.94 = 11,911,487.47 : x
  2. Step 2: Convert to fraction form
    28,095,958.15/42,142,974.94 = 11,911,487.47/x
  3. Step 3: Cross multiply
    28,095,958.15x = 42,142,974.94 × 11,911,487.47
  4. Step 4: Simplify right side
    28,095,958.15x = 501,985,517,855,865.88
  5. Step 5: Solve for x
    x = 501,985,517,855,865.88/28,095,958.15
  6. Step 6: Final answer
    x = 17,866,823.24

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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.