Home / 28,312,511.30-42,468,766.95-15,528,076.10

Finding the Fourth Proportional to 28,312,511.30, 42,468,766.95 and 15,528,076.10

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Solution

The fourth proportional to 28,312,511.30, 42,468,766.95 and 15,528,076.10 is: 23,292,114.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,312,511.30 : 42,468,766.95 = 15,528,076.10 : x
  2. Step 2: Convert to fraction form
    28,312,511.30/42,468,766.95 = 15,528,076.10/x
  3. Step 3: Cross multiply
    28,312,511.30x = 42,468,766.95 × 15,528,076.10
  4. Step 4: Simplify right side
    28,312,511.30x = 659,458,245,072,764.88
  5. Step 5: Solve for x
    x = 659,458,245,072,764.88/28,312,511.30
  6. Step 6: Final answer
    x = 23,292,114.15

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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.