Home / 20,524,339.80-28,326,593.70-11,820,818.52

Finding the Fourth Proportional to 20,524,339.80, 28,326,593.70 and 11,820,818.52

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Solution

The fourth proportional to 20,524,339.80, 28,326,593.70 and 11,820,818.52 is: 16,314,460.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,524,339.80 : 28,326,593.70 = 11,820,818.52 : x
  2. Step 2: Convert to fraction form
    20,524,339.80/28,326,593.70 = 11,820,818.52/x
  3. Step 3: Cross multiply
    20,524,339.80x = 28,326,593.70 × 11,820,818.52
  4. Step 4: Simplify right side
    20,524,339.80x = 334,843,523,417,475.31
  5. Step 5: Solve for x
    x = 334,843,523,417,475.31/20,524,339.80
  6. Step 6: Final answer
    x = 16,314,460.13

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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.