Home / 28,410,933.60-42,616,400.40-10,457,704.80

Finding the Fourth Proportional to 28,410,933.60, 42,616,400.40 and 10,457,704.80

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Solution

The fourth proportional to 28,410,933.60, 42,616,400.40 and 10,457,704.80 is: 15,686,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,410,933.60 : 42,616,400.40 = 10,457,704.80 : x
  2. Step 2: Convert to fraction form
    28,410,933.60/42,616,400.40 = 10,457,704.80/x
  3. Step 3: Cross multiply
    28,410,933.60x = 42,616,400.40 × 10,457,704.80
  4. Step 4: Simplify right side
    28,410,933.60x = 445,669,735,021,801.94
  5. Step 5: Solve for x
    x = 445,669,735,021,801.94/28,410,933.60
  6. Step 6: Final answer
    x = 15,686,557.20

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1.5x scale

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.