Home / 14,380,470.30-19,845,478.78-7,854,407.63

Finding the Fourth Proportional to 14,380,470.30, 19,845,478.78 and 7,854,407.63

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Solution

The fourth proportional to 14,380,470.30, 19,845,478.78 and 7,854,407.63 is: 10,839,317.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,380,470.30 : 19,845,478.78 = 7,854,407.63 : x
  2. Step 2: Convert to fraction form
    14,380,470.30/19,845,478.78 = 7,854,407.63/x
  3. Step 3: Cross multiply
    14,380,470.30x = 19,845,478.78 × 7,854,407.63
  4. Step 4: Simplify right side
    14,380,470.30x = 155,874,479,906,192.22
  5. Step 5: Solve for x
    x = 155,874,479,906,192.22/14,380,470.30
  6. Step 6: Final answer
    x = 10,839,317.26

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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.