Home / 21,816,421.80-30,106,753.02-12,026,650.92

Finding the Fourth Proportional to 21,816,421.80, 30,106,753.02 and 12,026,650.92

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Solution

The fourth proportional to 21,816,421.80, 30,106,753.02 and 12,026,650.92 is: 16,596,828.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,816,421.80 : 30,106,753.02 = 12,026,650.92 : x
  2. Step 2: Convert to fraction form
    21,816,421.80/30,106,753.02 = 12,026,650.92/x
  3. Step 3: Cross multiply
    21,816,421.80x = 30,106,753.02 × 12,026,650.92
  4. Step 4: Simplify right side
    21,816,421.80x = 362,083,408,906,195.75
  5. Step 5: Solve for x
    x = 362,083,408,906,195.75/21,816,421.80
  6. Step 6: Final answer
    x = 16,596,828.40

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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.