Home / 19,933,043.40-29,913,561.90-8,581,638.60

Finding the Fourth Proportional to 19,933,043.40, 29,913,561.90 and 8,581,638.60

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Solution

The fourth proportional to 19,933,043.40, 29,913,561.90 and 8,581,638.60 is: 12,878,483.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933,043.40 : 29,913,561.90 = 8,581,638.60 : x
  2. Step 2: Convert to fraction form
    19,933,043.40/29,913,561.90 = 8,581,638.60/x
  3. Step 3: Cross multiply
    19,933,043.40x = 29,913,561.90 × 8,581,638.60
  4. Step 4: Simplify right side
    19,933,043.40x = 256,707,377,464,529.31
  5. Step 5: Solve for x
    x = 256,707,377,464,529.31/19,933,043.40
  6. Step 6: Final answer
    x = 12,878,483.85

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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.