Home / 28,295,299.96-42,442,896.95-8,866,013.36

Finding the Fourth Proportional to 28,295,299.96, 42,442,896.95 and 8,866,013.36

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Solution

The fourth proportional to 28,295,299.96, 42,442,896.95 and 8,866,013.36 is: 13,299,003.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,295,299.96 : 42,442,896.95 = 8,866,013.36 : x
  2. Step 2: Convert to fraction form
    28,295,299.96/42,442,896.95 = 8,866,013.36/x
  3. Step 3: Cross multiply
    28,295,299.96x = 42,442,896.95 × 8,866,013.36
  4. Step 4: Simplify right side
    28,295,299.96x = 376,299,291,395,803.25
  5. Step 5: Solve for x
    x = 376,299,291,395,803.25/28,295,299.96
  6. Step 6: Final answer
    x = 13,299,003.44

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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.