Home / 21,703,321.19-29,950,465.02-11,913,931.97

Finding the Fourth Proportional to 21,703,321.19, 29,950,465.02 and 11,913,931.97

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Solution

The fourth proportional to 21,703,321.19, 29,950,465.02 and 11,913,931.97 is: 16,441,161.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,703,321.19 : 29,950,465.02 = 11,913,931.97 : x
  2. Step 2: Convert to fraction form
    21,703,321.19/29,950,465.02 = 11,913,931.97/x
  3. Step 3: Cross multiply
    21,703,321.19x = 29,950,465.02 × 11,913,931.97
  4. Step 4: Simplify right side
    21,703,321.19x = 356,827,802,718,144.69
  5. Step 5: Solve for x
    x = 356,827,802,718,144.69/21,703,321.19
  6. Step 6: Final answer
    x = 16,441,161.22

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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.