Home / 12,485,127.51-18,727,269.15-4,397,891.79

Finding the Fourth Proportional to 12,485,127.51, 18,727,269.15 and 4,397,891.79

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Solution

The fourth proportional to 12,485,127.51, 18,727,269.15 and 4,397,891.79 is: 6,596,688.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,485,127.51 : 18,727,269.15 = 4,397,891.79 : x
  2. Step 2: Convert to fraction form
    12,485,127.51/18,727,269.15 = 4,397,891.79/x
  3. Step 3: Cross multiply
    12,485,127.51x = 18,727,269.15 × 4,397,891.79
  4. Step 4: Simplify right side
    12,485,127.51x = 82,360,503,243,905.27
  5. Step 5: Solve for x
    x = 82,360,503,243,905.27/12,485,127.51
  6. Step 6: Final answer
    x = 6,596,688.99

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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.