Home / 13,285,805.60-19,928,708.40-4,767,003.20

Finding the Fourth Proportional to 13,285,805.60, 19,928,708.40 and 4,767,003.20

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Solution

The fourth proportional to 13,285,805.60, 19,928,708.40 and 4,767,003.20 is: 7,150,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,805.60 : 19,928,708.40 = 4,767,003.20 : x
  2. Step 2: Convert to fraction form
    13,285,805.60/19,928,708.40 = 4,767,003.20/x
  3. Step 3: Cross multiply
    13,285,805.60x = 19,928,708.40 × 4,767,003.20
  4. Step 4: Simplify right side
    13,285,805.60x = 95,000,216,714,666.88
  5. Step 5: Solve for x
    x = 95,000,216,714,666.88/13,285,805.60
  6. Step 6: Final answer
    x = 7,150,504.80

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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.