Home / 28,361,597.45-42,553,117.87-11,102,133.31

Finding the Fourth Proportional to 28,361,597.45, 42,553,117.87 and 11,102,133.31

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Solution

The fourth proportional to 28,361,597.45, 42,553,117.87 and 11,102,133.31 is: 16,657,396.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,361,597.45 : 42,553,117.87 = 11,102,133.31 : x
  2. Step 2: Convert to fraction form
    28,361,597.45/42,553,117.87 = 11,102,133.31/x
  3. Step 3: Cross multiply
    28,361,597.45x = 42,553,117.87 × 11,102,133.31
  4. Step 4: Simplify right side
    28,361,597.45x = 472,430,387,214,745.06
  5. Step 5: Solve for x
    x = 472,430,387,214,745.06/28,361,597.45
  6. Step 6: Final answer
    x = 16,657,396.97

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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.