Home / 21,728,005.30-32,595,944.55-10,918,101.70

Finding the Fourth Proportional to 21,728,005.30, 32,595,944.55 and 10,918,101.70

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Solution

The fourth proportional to 21,728,005.30, 32,595,944.55 and 10,918,101.70 is: 16,379,130.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,728,005.30 : 32,595,944.55 = 10,918,101.70 : x
  2. Step 2: Convert to fraction form
    21,728,005.30/32,595,944.55 = 10,918,101.70/x
  3. Step 3: Cross multiply
    21,728,005.30x = 32,595,944.55 × 10,918,101.70
  4. Step 4: Simplify right side
    21,728,005.30x = 355,885,837,604,460.75
  5. Step 5: Solve for x
    x = 355,885,837,604,460.75/21,728,005.30
  6. Step 6: Final answer
    x = 16,379,130.65

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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.