Home / 31,829,649.12-47,753,790.30-10,263,817.08

Finding the Fourth Proportional to 31,829,649.12, 47,753,790.30 and 10,263,817.08

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Solution

The fourth proportional to 31,829,649.12, 47,753,790.30 and 10,263,817.08 is: 15,398,729.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,829,649.12 : 47,753,790.30 = 10,263,817.08 : x
  2. Step 2: Convert to fraction form
    31,829,649.12/47,753,790.30 = 10,263,817.08/x
  3. Step 3: Cross multiply
    31,829,649.12x = 47,753,790.30 × 10,263,817.08
  4. Step 4: Simplify right side
    31,829,649.12x = 490,136,168,515,878.31
  5. Step 5: Solve for x
    x = 490,136,168,515,878.31/31,829,649.12
  6. Step 6: Final answer
    x = 15,398,729.87

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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.