Home / 10,203,490.32-15,305,140.48-4,136,780.00

Finding the Fourth Proportional to 10,203,490.32, 15,305,140.48 and 4,136,780.00

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Solution

The fourth proportional to 10,203,490.32, 15,305,140.48 and 4,136,780.00 is: 6,205,131.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203,490.32 : 15,305,140.48 = 4,136,780.00 : x
  2. Step 2: Convert to fraction form
    10,203,490.32/15,305,140.48 = 4,136,780.00/x
  3. Step 3: Cross multiply
    10,203,490.32x = 15,305,140.48 × 4,136,780.00
  4. Step 4: Simplify right side
    10,203,490.32x = 63,313,998,951,281.50
  5. Step 5: Solve for x
    x = 63,313,998,951,281.50/10,203,490.32
  6. Step 6: Final answer
    x = 6,205,131.48

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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.