Home / 40,928,313.60-61,400,999.70-13,643,082.90

Finding the Fourth Proportional to 40,928,313.60, 61,400,999.70 and 13,643,082.90

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Solution

The fourth proportional to 40,928,313.60, 61,400,999.70 and 13,643,082.90 is: 20,467,467.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,928,313.60 : 61,400,999.70 = 13,643,082.90 : x
  2. Step 2: Convert to fraction form
    40,928,313.60/61,400,999.70 = 13,643,082.90/x
  3. Step 3: Cross multiply
    40,928,313.60x = 61,400,999.70 × 13,643,082.90
  4. Step 4: Simplify right side
    40,928,313.60x = 837,698,929,049,975.25
  5. Step 5: Solve for x
    x = 837,698,929,049,975.25/40,928,313.60
  6. Step 6: Final answer
    x = 20,467,467.51

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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.