Home / 12,299,601.60-18,457,275.60-7,182,021.60

Finding the Fourth Proportional to 12,299,601.60, 18,457,275.60 and 7,182,021.60

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Solution

The fourth proportional to 12,299,601.60, 18,457,275.60 and 7,182,021.60 is: 10,777,629.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299,601.60 : 18,457,275.60 = 7,182,021.60 : x
  2. Step 2: Convert to fraction form
    12,299,601.60/18,457,275.60 = 7,182,021.60/x
  3. Step 3: Cross multiply
    12,299,601.60x = 18,457,275.60 × 7,182,021.60
  4. Step 4: Simplify right side
    12,299,601.60x = 132,560,552,036,352.97
  5. Step 5: Solve for x
    x = 132,560,552,036,352.97/12,299,601.60
  6. Step 6: Final answer
    x = 10,777,629.74

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1.5x scale

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.