Home / 29,658,121.71-40,932,504.81-16,606,221.72

Finding the Fourth Proportional to 29,658,121.71, 40,932,504.81 and 16,606,221.72

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Solution

The fourth proportional to 29,658,121.71, 40,932,504.81 and 16,606,221.72 is: 22,918,991.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,658,121.71 : 40,932,504.81 = 16,606,221.72 : x
  2. Step 2: Convert to fraction form
    29,658,121.71/40,932,504.81 = 16,606,221.72/x
  3. Step 3: Cross multiply
    29,658,121.71x = 40,932,504.81 × 16,606,221.72
  4. Step 4: Simplify right side
    29,658,121.71x = 679,734,250,429,826.50
  5. Step 5: Solve for x
    x = 679,734,250,429,826.50/29,658,121.71
  6. Step 6: Final answer
    x = 22,918,991.87

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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.