Home / 12,917,768.51-19,363,344.86-5,732,686.19

Finding the Fourth Proportional to 12,917,768.51, 19,363,344.86 and 5,732,686.19

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Solution

The fourth proportional to 12,917,768.51, 19,363,344.86 and 5,732,686.19 is: 8,593,123.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,917,768.51 : 19,363,344.86 = 5,732,686.19 : x
  2. Step 2: Convert to fraction form
    12,917,768.51/19,363,344.86 = 5,732,686.19/x
  3. Step 3: Cross multiply
    12,917,768.51x = 19,363,344.86 × 5,732,686.19
  4. Step 4: Simplify right side
    12,917,768.51x = 111,003,979,545,649.33
  5. Step 5: Solve for x
    x = 111,003,979,545,649.33/12,917,768.51
  6. Step 6: Final answer
    x = 8,593,123.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.