Home / 21,124,488.54-31,632,161.02-14,579,393.58

Finding the Fourth Proportional to 21,124,488.54, 31,632,161.02 and 14,579,393.58

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Solution

The fourth proportional to 21,124,488.54, 31,632,161.02 and 14,579,393.58 is: 21,831,426.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,124,488.54 : 31,632,161.02 = 14,579,393.58 : x
  2. Step 2: Convert to fraction form
    21,124,488.54/31,632,161.02 = 14,579,393.58/x
  3. Step 3: Cross multiply
    21,124,488.54x = 31,632,161.02 × 14,579,393.58
  4. Step 4: Simplify right side
    21,124,488.54x = 461,177,725,468,468.94
  5. Step 5: Solve for x
    x = 461,177,725,468,468.94/21,124,488.54
  6. Step 6: Final answer
    x = 21,831,426.81

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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.