Home / 15,717,643.02-21,682,407.78-9,187,005.87

Finding the Fourth Proportional to 15,717,643.02, 21,682,407.78 and 9,187,005.87

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Solution

The fourth proportional to 15,717,643.02, 21,682,407.78 and 9,187,005.87 is: 12,673,427.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,717,643.02 : 21,682,407.78 = 9,187,005.87 : x
  2. Step 2: Convert to fraction form
    15,717,643.02/21,682,407.78 = 9,187,005.87/x
  3. Step 3: Cross multiply
    15,717,643.02x = 21,682,407.78 × 9,187,005.87
  4. Step 4: Simplify right side
    15,717,643.02x = 199,196,407,550,593.66
  5. Step 5: Solve for x
    x = 199,196,407,550,593.66/15,717,643.02
  6. Step 6: Final answer
    x = 12,673,427.39

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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.