Home / 42,118,725.96-63,181,944.54-11,826,384.84

Finding the Fourth Proportional to 42,118,725.96, 63,181,944.54 and 11,826,384.84

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Solution

The fourth proportional to 42,118,725.96, 63,181,944.54 and 11,826,384.84 is: 17,740,659.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,118,725.96 : 63,181,944.54 = 11,826,384.84 : x
  2. Step 2: Convert to fraction form
    42,118,725.96/63,181,944.54 = 11,826,384.84/x
  3. Step 3: Cross multiply
    42,118,725.96x = 63,181,944.54 × 11,826,384.84
  4. Step 4: Simplify right side
    42,118,725.96x = 747,213,991,069,576.75
  5. Step 5: Solve for x
    x = 747,213,991,069,576.75/42,118,725.96
  6. Step 6: Final answer
    x = 17,740,659.86

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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.