Home / 42,875,709.26-64,313,436.64-12,170,314.60

Finding the Fourth Proportional to 42,875,709.26, 64,313,436.64 and 12,170,314.60

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Solution

The fourth proportional to 42,875,709.26, 64,313,436.64 and 12,170,314.60 is: 18,255,435.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,875,709.26 : 64,313,436.64 = 12,170,314.60 : x
  2. Step 2: Convert to fraction form
    42,875,709.26/64,313,436.64 = 12,170,314.60/x
  3. Step 3: Cross multiply
    42,875,709.26x = 64,313,436.64 × 12,170,314.60
  4. Step 4: Simplify right side
    42,875,709.26x = 782,714,756,855,115.38
  5. Step 5: Solve for x
    x = 782,714,756,855,115.38/42,875,709.26
  6. Step 6: Final answer
    x = 18,255,435.78

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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.