Home / 12,883,948.08-17,780,188.56-7,003,977.84

Finding the Fourth Proportional to 12,883,948.08, 17,780,188.56 and 7,003,977.84

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Solution

The fourth proportional to 12,883,948.08, 17,780,188.56 and 7,003,977.84 is: 9,665,674.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,883,948.08 : 17,780,188.56 = 7,003,977.84 : x
  2. Step 2: Convert to fraction form
    12,883,948.08/17,780,188.56 = 7,003,977.84/x
  3. Step 3: Cross multiply
    12,883,948.08x = 17,780,188.56 × 7,003,977.84
  4. Step 4: Simplify right side
    12,883,948.08x = 124,532,046,665,261.50
  5. Step 5: Solve for x
    x = 124,532,046,665,261.50/12,883,948.08
  6. Step 6: Final answer
    x = 9,665,674.36

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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.