Home / 42,809,788.87-64,214,502.26-15,509,680.90

Finding the Fourth Proportional to 42,809,788.87, 64,214,502.26 and 15,509,680.90

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Solution

The fourth proportional to 42,809,788.87, 64,214,502.26 and 15,509,680.90 is: 23,264,455.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,809,788.87 : 64,214,502.26 = 15,509,680.90 : x
  2. Step 2: Convert to fraction form
    42,809,788.87/64,214,502.26 = 15,509,680.90/x
  3. Step 3: Cross multiply
    42,809,788.87x = 64,214,502.26 × 15,509,680.90
  4. Step 4: Simplify right side
    42,809,788.87x = 995,946,438,966,844.25
  5. Step 5: Solve for x
    x = 995,946,438,966,844.25/42,809,788.87
  6. Step 6: Final answer
    x = 23,264,455.75

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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.