Home / 10,493,380.83-15,728,131.47-6,385,642.16

Finding the Fourth Proportional to 10,493,380.83, 15,728,131.47 and 6,385,642.16

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Solution

The fourth proportional to 10,493,380.83, 15,728,131.47 and 6,385,642.16 is: 9,571,197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,493,380.83 : 15,728,131.47 = 6,385,642.16 : x
  2. Step 2: Convert to fraction form
    10,493,380.83/15,728,131.47 = 6,385,642.16/x
  3. Step 3: Cross multiply
    10,493,380.83x = 15,728,131.47 × 6,385,642.16
  4. Step 4: Simplify right side
    10,493,380.83x = 100,434,219,334,214.12
  5. Step 5: Solve for x
    x = 100,434,219,334,214.12/10,493,380.83
  6. Step 6: Final answer
    x = 9,571,197.40

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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.