Home / 20,400,254.75-30,602,624.12-10,167,690.44

Finding the Fourth Proportional to 20,400,254.75, 30,602,624.12 and 10,167,690.44

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Solution

The fourth proportional to 20,400,254.75, 30,602,624.12 and 10,167,690.44 is: 15,252,653.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,400,254.75 : 30,602,624.12 = 10,167,690.44 : x
  2. Step 2: Convert to fraction form
    20,400,254.75/30,602,624.12 = 10,167,690.44/x
  3. Step 3: Cross multiply
    20,400,254.75x = 30,602,624.12 × 10,167,690.44
  4. Step 4: Simplify right side
    20,400,254.75x = 311,158,008,824,827.62
  5. Step 5: Solve for x
    x = 311,158,008,824,827.62/20,400,254.75
  6. Step 6: Final answer
    x = 15,252,653.10

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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.