Home / 53,919,786.60-80,879,679.90-15,582,551.40

Finding the Fourth Proportional to 53,919,786.60, 80,879,679.90 and 15,582,551.40

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Solution

The fourth proportional to 53,919,786.60, 80,879,679.90 and 15,582,551.40 is: 23,373,827.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,919,786.60 : 80,879,679.90 = 15,582,551.40 : x
  2. Step 2: Convert to fraction form
    53,919,786.60/80,879,679.90 = 15,582,551.40/x
  3. Step 3: Cross multiply
    53,919,786.60x = 80,879,679.90 × 15,582,551.40
  4. Step 4: Simplify right side
    53,919,786.60x = 1,260,311,769,257,297
  5. Step 5: Solve for x
    x = 1,260,311,769,257,297/53,919,786.60
  6. Step 6: Final answer
    x = 23,373,827.10

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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.