Home / 28,099,299.28-42,154,965.38-8,404,973

Finding the Fourth Proportional to 28,099,299.28, 42,154,965.38 and 8,404,973

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Solution

The fourth proportional to 28,099,299.28, 42,154,965.38 and 8,404,973 is: 12,609,259.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,099,299.28 : 42,154,965.38 = 8,404,973 : x
  2. Step 2: Convert to fraction form
    28,099,299.28/42,154,965.38 = 8,404,973/x
  3. Step 3: Cross multiply
    28,099,299.28x = 42,154,965.38 × 8,404,973
  4. Step 4: Simplify right side
    28,099,299.28x = 354,311,345,834,834.75
  5. Step 5: Solve for x
    x = 354,311,345,834,834.75/28,099,299.28
  6. Step 6: Final answer
    x = 12,609,259.12

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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.