Home / 28,115,124.30-42,172,686.45-26,520,801.30

Finding the Fourth Proportional to 28,115,124.30, 42,172,686.45 and 26,520,801.30

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Solution

The fourth proportional to 28,115,124.30, 42,172,686.45 and 26,520,801.30 is: 39,781,201.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,115,124.30 : 42,172,686.45 = 26,520,801.30 : x
  2. Step 2: Convert to fraction form
    28,115,124.30/42,172,686.45 = 26,520,801.30/x
  3. Step 3: Cross multiply
    28,115,124.30x = 42,172,686.45 × 26,520,801.30
  4. Step 4: Simplify right side
    28,115,124.30x = 1,118,453,437,627,652.50
  5. Step 5: Solve for x
    x = 1,118,453,437,627,652.50/28,115,124.30
  6. Step 6: Final answer
    x = 39,781,201.95

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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.