Home / 15,027,120.52-20,737,432.93-8,500,610.32

Finding the Fourth Proportional to 15,027,120.52, 20,737,432.93 and 8,500,610.32

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Solution

The fourth proportional to 15,027,120.52, 20,737,432.93 and 8,500,610.32 is: 11,730,845.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,027,120.52 : 20,737,432.93 = 8,500,610.32 : x
  2. Step 2: Convert to fraction form
    15,027,120.52/20,737,432.93 = 8,500,610.32/x
  3. Step 3: Cross multiply
    15,027,120.52x = 20,737,432.93 × 8,500,610.32
  4. Step 4: Simplify right side
    15,027,120.52x = 176,280,836,301,970.72
  5. Step 5: Solve for x
    x = 176,280,836,301,970.72/15,027,120.52
  6. Step 6: Final answer
    x = 11,730,845.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.