Home / 14,342,743.68-19,792,409.18-7,816,233.89

Finding the Fourth Proportional to 14,342,743.68, 19,792,409.18 and 7,816,233.89

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Solution

The fourth proportional to 14,342,743.68, 19,792,409.18 and 7,816,233.89 is: 10,786,088.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342,743.68 : 19,792,409.18 = 7,816,233.89 : x
  2. Step 2: Convert to fraction form
    14,342,743.68/19,792,409.18 = 7,816,233.89/x
  3. Step 3: Cross multiply
    14,342,743.68x = 19,792,409.18 × 7,816,233.89
  4. Step 4: Simplify right side
    14,342,743.68x = 154,702,099,259,419.91
  5. Step 5: Solve for x
    x = 154,702,099,259,419.91/14,342,743.68
  6. Step 6: Final answer
    x = 10,786,088.26

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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.