Home / 8,499,471.36-11,728,928.16-4,631,909.52

Finding the Fourth Proportional to 8,499,471.36, 11,728,928.16 and 4,631,909.52

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Solution

The fourth proportional to 8,499,471.36, 11,728,928.16 and 4,631,909.52 is: 6,391,848.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499,471.36 : 11,728,928.16 = 4,631,909.52 : x
  2. Step 2: Convert to fraction form
    8,499,471.36/11,728,928.16 = 4,631,909.52/x
  3. Step 3: Cross multiply
    8,499,471.36x = 11,728,928.16 × 4,631,909.52
  4. Step 4: Simplify right side
    8,499,471.36x = 54,327,334,003,700.08
  5. Step 5: Solve for x
    x = 54,327,334,003,700.08/8,499,471.36
  6. Step 6: Final answer
    x = 6,391,848.59

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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.