Home / 12,451,330.75-17,182,836.44-7,018,822.75

Finding the Fourth Proportional to 12,451,330.75, 17,182,836.44 and 7,018,822.75

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Solution

The fourth proportional to 12,451,330.75, 17,182,836.44 and 7,018,822.75 is: 9,685,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451,330.75 : 17,182,836.44 = 7,018,822.75 : x
  2. Step 2: Convert to fraction form
    12,451,330.75/17,182,836.44 = 7,018,822.75/x
  3. Step 3: Cross multiply
    12,451,330.75x = 17,182,836.44 × 7,018,822.75
  4. Step 4: Simplify right side
    12,451,330.75x = 120,603,283,314,601.02
  5. Step 5: Solve for x
    x = 120,603,283,314,601.02/12,451,330.75
  6. Step 6: Final answer
    x = 9,685,975.40

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1.5x scale

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.