Home / 28,788,155.78-43,189,796.56-10,345,962.76

Finding the Fourth Proportional to 28,788,155.78, 43,189,796.56 and 10,345,962.76

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Solution

The fourth proportional to 28,788,155.78, 43,189,796.56 and 10,345,962.76 is: 15,521,662.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,788,155.78 : 43,189,796.56 = 10,345,962.76 : x
  2. Step 2: Convert to fraction form
    28,788,155.78/43,189,796.56 = 10,345,962.76/x
  3. Step 3: Cross multiply
    28,788,155.78x = 43,189,796.56 × 10,345,962.76
  4. Step 4: Simplify right side
    28,788,155.78x = 446,840,026,821,736.12
  5. Step 5: Solve for x
    x = 446,840,026,821,736.12/28,788,155.78
  6. Step 6: Final answer
    x = 15,521,662.11

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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.