Home / 10,331,948.67-15,500,165.07-3,143,295.72

Finding the Fourth Proportional to 10,331,948.67, 15,500,165.07 and 3,143,295.72

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Solution

The fourth proportional to 10,331,948.67, 15,500,165.07 and 3,143,295.72 is: 4,715,625.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331,948.67 : 15,500,165.07 = 3,143,295.72 : x
  2. Step 2: Convert to fraction form
    10,331,948.67/15,500,165.07 = 3,143,295.72/x
  3. Step 3: Cross multiply
    10,331,948.67x = 15,500,165.07 × 3,143,295.72
  4. Step 4: Simplify right side
    10,331,948.67x = 48,721,602,523,824.51
  5. Step 5: Solve for x
    x = 48,721,602,523,824.51/10,331,948.67
  6. Step 6: Final answer
    x = 4,715,625.68

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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.