Home / 21,781,165.70-32,671,748.55-8,997,421.70

Finding the Fourth Proportional to 21,781,165.70, 32,671,748.55 and 8,997,421.70

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Solution

The fourth proportional to 21,781,165.70, 32,671,748.55 and 8,997,421.70 is: 13,496,132.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,781,165.70 : 32,671,748.55 = 8,997,421.70 : x
  2. Step 2: Convert to fraction form
    21,781,165.70/32,671,748.55 = 8,997,421.70/x
  3. Step 3: Cross multiply
    21,781,165.70x = 32,671,748.55 × 8,997,421.70
  4. Step 4: Simplify right side
    21,781,165.70x = 293,961,499,380,713.50
  5. Step 5: Solve for x
    x = 293,961,499,380,713.50/21,781,165.70
  6. Step 6: Final answer
    x = 13,496,132.55

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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.