Home / 45,576,459.72-68,360,443.29-12,790,092.96

Finding the Fourth Proportional to 45,576,459.72, 68,360,443.29 and 12,790,092.96

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Solution

The fourth proportional to 45,576,459.72, 68,360,443.29 and 12,790,092.96 is: 19,183,947.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,576,459.72 : 68,360,443.29 = 12,790,092.96 : x
  2. Step 2: Convert to fraction form
    45,576,459.72/68,360,443.29 = 12,790,092.96/x
  3. Step 3: Cross multiply
    45,576,459.72x = 68,360,443.29 × 12,790,092.96
  4. Step 4: Simplify right side
    45,576,459.72x = 874,336,424,465,908.38
  5. Step 5: Solve for x
    x = 874,336,424,465,908.38/45,576,459.72
  6. Step 6: Final answer
    x = 19,183,947.81

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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.