Home / 18,997,533-28,496,299.50-8,359,965

Finding the Fourth Proportional to 18,997,533, 28,496,299.50 and 8,359,965

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Solution

The fourth proportional to 18,997,533, 28,496,299.50 and 8,359,965 is: 12,539,947.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,997,533 : 28,496,299.50 = 8,359,965 : x
  2. Step 2: Convert to fraction form
    18,997,533/28,496,299.50 = 8,359,965/x
  3. Step 3: Cross multiply
    18,997,533x = 28,496,299.50 × 8,359,965
  4. Step 4: Simplify right side
    18,997,533x = 238,228,066,449,517.50
  5. Step 5: Solve for x
    x = 238,228,066,449,517.50/18,997,533
  6. Step 6: Final answer
    x = 12,539,947.50

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1.5x scale

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.