Home / 20,745,398.39-31,118,172.30-6,368,466.87

Finding the Fourth Proportional to 20,745,398.39, 31,118,172.30 and 6,368,466.87

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Solution

The fourth proportional to 20,745,398.39, 31,118,172.30 and 6,368,466.87 is: 9,552,723.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,745,398.39 : 31,118,172.30 = 6,368,466.87 : x
  2. Step 2: Convert to fraction form
    20,745,398.39/31,118,172.30 = 6,368,466.87/x
  3. Step 3: Cross multiply
    20,745,398.39x = 31,118,172.30 × 6,368,466.87
  4. Step 4: Simplify right side
    20,745,398.39x = 198,175,049,347,501.72
  5. Step 5: Solve for x
    x = 198,175,049,347,501.72/20,745,398.39
  6. Step 6: Final answer
    x = 9,552,723.24

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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.