Home / 28,447,010.15-42,653,235.69-11,154,494.30

Finding the Fourth Proportional to 28,447,010.15, 42,653,235.69 and 11,154,494.30

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Solution

The fourth proportional to 28,447,010.15, 42,653,235.69 and 11,154,494.30 is: 16,724,965.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,447,010.15 : 42,653,235.69 = 11,154,494.30 : x
  2. Step 2: Convert to fraction form
    28,447,010.15/42,653,235.69 = 11,154,494.30/x
  3. Step 3: Cross multiply
    28,447,010.15x = 42,653,235.69 × 11,154,494.30
  4. Step 4: Simplify right side
    28,447,010.15x = 475,775,274,167,395.38
  5. Step 5: Solve for x
    x = 475,775,274,167,395.38/28,447,010.15
  6. Step 6: Final answer
    x = 16,724,965.88

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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.