Home / 15,594,739.75-21,511,542.50-9,783,432.42

Finding the Fourth Proportional to 15,594,739.75, 21,511,542.50 and 9,783,432.42

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Solution

The fourth proportional to 15,594,739.75, 21,511,542.50 and 9,783,432.42 is: 13,495,366.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,594,739.75 : 21,511,542.50 = 9,783,432.42 : x
  2. Step 2: Convert to fraction form
    15,594,739.75/21,511,542.50 = 9,783,432.42/x
  3. Step 3: Cross multiply
    15,594,739.75x = 21,511,542.50 × 9,783,432.42
  4. Step 4: Simplify right side
    15,594,739.75x = 210,456,722,205,810.28
  5. Step 5: Solve for x
    x = 210,456,722,205,810.28/15,594,739.75
  6. Step 6: Final answer
    x = 13,495,366.10

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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.