Home / 28,391,455.68-42,570,126.58-11,099,060.82

Finding the Fourth Proportional to 28,391,455.68, 42,570,126.58 and 11,099,060.82

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Solution

The fourth proportional to 28,391,455.68, 42,570,126.58 and 11,099,060.82 is: 16,641,923.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,391,455.68 : 42,570,126.58 = 11,099,060.82 : x
  2. Step 2: Convert to fraction form
    28,391,455.68/42,570,126.58 = 11,099,060.82/x
  3. Step 3: Cross multiply
    28,391,455.68x = 42,570,126.58 × 11,099,060.82
  4. Step 4: Simplify right side
    28,391,455.68x = 472,488,424,026,518.56
  5. Step 5: Solve for x
    x = 472,488,424,026,518.56/28,391,455.68
  6. Step 6: Final answer
    x = 16,641,923.17

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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.