Home / 53,890,221.72-80,834,172-15,027,638.32

Finding the Fourth Proportional to 53,890,221.72, 80,834,172 and 15,027,638.32

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Solution

The fourth proportional to 53,890,221.72, 80,834,172 and 15,027,638.32 is: 22,541,133.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,890,221.72 : 80,834,172 = 15,027,638.32 : x
  2. Step 2: Convert to fraction form
    53,890,221.72/80,834,172 = 15,027,638.32/x
  3. Step 3: Cross multiply
    53,890,221.72x = 80,834,172 × 15,027,638.32
  4. Step 4: Simplify right side
    53,890,221.72x = 1,214,746,700,712,671
  5. Step 5: Solve for x
    x = 1,214,746,700,712,671/53,890,221.72
  6. Step 6: Final answer
    x = 22,541,133.84

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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.