Home / 15,017,727.96-20,724,872.64-8,492,333.76

Finding the Fourth Proportional to 15,017,727.96, 20,724,872.64 and 8,492,333.76

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Solution

The fourth proportional to 15,017,727.96, 20,724,872.64 and 8,492,333.76 is: 11,719,651.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,017,727.96 : 20,724,872.64 = 8,492,333.76 : x
  2. Step 2: Convert to fraction form
    15,017,727.96/20,724,872.64 = 8,492,333.76/x
  3. Step 3: Cross multiply
    15,017,727.96x = 20,724,872.64 × 8,492,333.76
  4. Step 4: Simplify right side
    15,017,727.96x = 176,002,535,592,372.31
  5. Step 5: Solve for x
    x = 176,002,535,592,372.31/15,017,727.96
  6. Step 6: Final answer
    x = 11,719,651.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.