Home / 14,121,486.33-19,487,938.92-7,926,979.69

Finding the Fourth Proportional to 14,121,486.33, 19,487,938.92 and 7,926,979.69

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Solution

The fourth proportional to 14,121,486.33, 19,487,938.92 and 7,926,979.69 is: 10,939,393.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121,486.33 : 19,487,938.92 = 7,926,979.69 : x
  2. Step 2: Convert to fraction form
    14,121,486.33/19,487,938.92 = 7,926,979.69/x
  3. Step 3: Cross multiply
    14,121,486.33x = 19,487,938.92 × 7,926,979.69
  4. Step 4: Simplify right side
    14,121,486.33x = 154,480,495,998,983.09
  5. Step 5: Solve for x
    x = 154,480,495,998,983.09/14,121,486.33
  6. Step 6: Final answer
    x = 10,939,393.52

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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.