Home / 21,560,308.80-32,345,128.80-6,415,771.20

Finding the Fourth Proportional to 21,560,308.80, 32,345,128.80 and 6,415,771.20

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Solution

The fourth proportional to 21,560,308.80, 32,345,128.80 and 6,415,771.20 is: 9,625,045.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,560,308.80 : 32,345,128.80 = 6,415,771.20 : x
  2. Step 2: Convert to fraction form
    21,560,308.80/32,345,128.80 = 6,415,771.20/x
  3. Step 3: Cross multiply
    21,560,308.80x = 32,345,128.80 × 6,415,771.20
  4. Step 4: Simplify right side
    21,560,308.80x = 207,518,945,815,330.56
  5. Step 5: Solve for x
    x = 207,518,945,815,330.56/21,560,308.80
  6. Step 6: Final answer
    x = 9,625,045.16

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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.