Home / 28,608,936.96-42,908,796-7,854,533.76

Finding the Fourth Proportional to 28,608,936.96, 42,908,796 and 7,854,533.76

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Solution

The fourth proportional to 28,608,936.96, 42,908,796 and 7,854,533.76 is: 11,780,535.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608,936.96 : 42,908,796 = 7,854,533.76 : x
  2. Step 2: Convert to fraction form
    28,608,936.96/42,908,796 = 7,854,533.76/x
  3. Step 3: Cross multiply
    28,608,936.96x = 42,908,796 × 7,854,533.76
  4. Step 4: Simplify right side
    28,608,936.96x = 337,028,586,782,952.94
  5. Step 5: Solve for x
    x = 337,028,586,782,952.94/28,608,936.96
  6. Step 6: Final answer
    x = 11,780,535.13

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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.