Home / 28,457,239.20-42,672,569.40-10,259,037.60

Finding the Fourth Proportional to 28,457,239.20, 42,672,569.40 and 10,259,037.60

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Solution

The fourth proportional to 28,457,239.20, 42,672,569.40 and 10,259,037.60 is: 15,383,765.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,457,239.20 : 42,672,569.40 = 10,259,037.60 : x
  2. Step 2: Convert to fraction form
    28,457,239.20/42,672,569.40 = 10,259,037.60/x
  3. Step 3: Cross multiply
    28,457,239.20x = 42,672,569.40 × 10,259,037.60
  4. Step 4: Simplify right side
    28,457,239.20x = 437,779,493,963,209.44
  5. Step 5: Solve for x
    x = 437,779,493,963,209.44/28,457,239.20
  6. Step 6: Final answer
    x = 15,383,765.48

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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.