Home / 28,816,496.67-39,766,646.49-15,585,688.36

Finding the Fourth Proportional to 28,816,496.67, 39,766,646.49 and 15,585,688.36

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Solution

The fourth proportional to 28,816,496.67, 39,766,646.49 and 15,585,688.36 is: 21,508,185.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816,496.67 : 39,766,646.49 = 15,585,688.36 : x
  2. Step 2: Convert to fraction form
    28,816,496.67/39,766,646.49 = 15,585,688.36/x
  3. Step 3: Cross multiply
    28,816,496.67x = 39,766,646.49 × 15,585,688.36
  4. Step 4: Simplify right side
    28,816,496.67x = 619,790,559,083,002.38
  5. Step 5: Solve for x
    x = 619,790,559,083,002.38/28,816,496.67
  6. Step 6: Final answer
    x = 21,508,185.61

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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.