Home / 40,928,288.60-61,400,962.20-13,643,057.90

Finding the Fourth Proportional to 40,928,288.60, 61,400,962.20 and 13,643,057.90

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Solution

The fourth proportional to 40,928,288.60, 61,400,962.20 and 13,643,057.90 is: 20,467,430.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,928,288.60 : 61,400,962.20 = 13,643,057.90 : x
  2. Step 2: Convert to fraction form
    40,928,288.60/61,400,962.20 = 13,643,057.90/x
  3. Step 3: Cross multiply
    40,928,288.60x = 61,400,962.20 × 13,643,057.90
  4. Step 4: Simplify right side
    40,928,288.60x = 837,696,882,410,311.50
  5. Step 5: Solve for x
    x = 837,696,882,410,311.50/40,928,288.60
  6. Step 6: Final answer
    x = 20,467,430.01

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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.