Home / 12,807,495.65-19,211,523.21-5,134,753.77

Finding the Fourth Proportional to 12,807,495.65, 19,211,523.21 and 5,134,753.77

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Solution

The fourth proportional to 12,807,495.65, 19,211,523.21 and 5,134,753.77 is: 7,702,242.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,807,495.65 : 19,211,523.21 = 5,134,753.77 : x
  2. Step 2: Convert to fraction form
    12,807,495.65/19,211,523.21 = 5,134,753.77/x
  3. Step 3: Cross multiply
    12,807,495.65x = 19,211,523.21 × 5,134,753.77
  4. Step 4: Simplify right side
    12,807,495.65x = 98,646,441,229,990
  5. Step 5: Solve for x
    x = 98,646,441,229,990/12,807,495.65
  6. Step 6: Final answer
    x = 7,702,242.81

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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.