Home / 28,697,196.17-43,032,839.02-8,222,228.80

Finding the Fourth Proportional to 28,697,196.17, 43,032,839.02 and 8,222,228.80

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Solution

The fourth proportional to 28,697,196.17, 43,032,839.02 and 8,222,228.80 is: 12,329,631.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,697,196.17 : 43,032,839.02 = 8,222,228.80 : x
  2. Step 2: Convert to fraction form
    28,697,196.17/43,032,839.02 = 8,222,228.80/x
  3. Step 3: Cross multiply
    28,697,196.17x = 43,032,839.02 × 8,222,228.80
  4. Step 4: Simplify right side
    28,697,196.17x = 353,825,848,207,870.12
  5. Step 5: Solve for x
    x = 353,825,848,207,870.12/28,697,196.17
  6. Step 6: Final answer
    x = 12,329,631.30

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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.