Home / 28,053,296.80-42,079,945.20-16,109,360.80

Finding the Fourth Proportional to 28,053,296.80, 42,079,945.20 and 16,109,360.80

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Solution

The fourth proportional to 28,053,296.80, 42,079,945.20 and 16,109,360.80 is: 24,164,041.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,053,296.80 : 42,079,945.20 = 16,109,360.80 : x
  2. Step 2: Convert to fraction form
    28,053,296.80/42,079,945.20 = 16,109,360.80/x
  3. Step 3: Cross multiply
    28,053,296.80x = 42,079,945.20 × 16,109,360.80
  4. Step 4: Simplify right side
    28,053,296.80x = 677,881,019,671,028.25
  5. Step 5: Solve for x
    x = 677,881,019,671,028.25/28,053,296.80
  6. Step 6: Final answer
    x = 24,164,041.20

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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.