Home / 13,590,498.09-18,754,890.44-7,478,926.59

Finding the Fourth Proportional to 13,590,498.09, 18,754,890.44 and 7,478,926.59

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Solution

The fourth proportional to 13,590,498.09, 18,754,890.44 and 7,478,926.59 is: 10,320,920.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,498.09 : 18,754,890.44 = 7,478,926.59 : x
  2. Step 2: Convert to fraction form
    13,590,498.09/18,754,890.44 = 7,478,926.59/x
  3. Step 3: Cross multiply
    13,590,498.09x = 18,754,890.44 × 7,478,926.59
  4. Step 4: Simplify right side
    13,590,498.09x = 140,266,448,879,257.97
  5. Step 5: Solve for x
    x = 140,266,448,879,257.97/13,590,498.09
  6. Step 6: Final answer
    x = 10,320,920.39

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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.