Home / 13,678,136.54-18,876,275.89-7,483,039.54

Finding the Fourth Proportional to 13,678,136.54, 18,876,275.89 and 7,483,039.54

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Solution

The fourth proportional to 13,678,136.54, 18,876,275.89 and 7,483,039.54 is: 10,326,839.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,678,136.54 : 18,876,275.89 = 7,483,039.54 : x
  2. Step 2: Convert to fraction form
    13,678,136.54/18,876,275.89 = 7,483,039.54/x
  3. Step 3: Cross multiply
    13,678,136.54x = 18,876,275.89 × 7,483,039.54
  4. Step 4: Simplify right side
    13,678,136.54x = 141,251,918,852,818.69
  5. Step 5: Solve for x
    x = 141,251,918,852,818.69/13,678,136.54
  6. Step 6: Final answer
    x = 10,326,839.36

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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.