Home / 28,403,359.39-42,612,629.24-10,207,712.21

Finding the Fourth Proportional to 28,403,359.39, 42,612,629.24 and 10,207,712.21

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Solution

The fourth proportional to 28,403,359.39, 42,612,629.24 and 10,207,712.21 is: 15,314,296.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,403,359.39 : 42,612,629.24 = 10,207,712.21 : x
  2. Step 2: Convert to fraction form
    28,403,359.39/42,612,629.24 = 10,207,712.21/x
  3. Step 3: Cross multiply
    28,403,359.39x = 42,612,629.24 × 10,207,712.21
  4. Step 4: Simplify right side
    28,403,359.39x = 434,977,455,605,807.12
  5. Step 5: Solve for x
    x = 434,977,455,605,807.12/28,403,359.39
  6. Step 6: Final answer
    x = 15,314,296.09

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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.