Home / 28,372,132.68-42,564,176.73-9,201,394.86

Finding the Fourth Proportional to 28,372,132.68, 42,564,176.73 and 9,201,394.86

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Solution

The fourth proportional to 28,372,132.68, 42,564,176.73 and 9,201,394.86 is: 13,804,030.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,372,132.68 : 42,564,176.73 = 9,201,394.86 : x
  2. Step 2: Convert to fraction form
    28,372,132.68/42,564,176.73 = 9,201,394.86/x
  3. Step 3: Cross multiply
    28,372,132.68x = 42,564,176.73 × 9,201,394.86
  4. Step 4: Simplify right side
    28,372,132.68x = 391,649,796,983,553.56
  5. Step 5: Solve for x
    x = 391,649,796,983,553.56/28,372,132.68
  6. Step 6: Final answer
    x = 13,804,030.93

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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.