Home / 15,210,950-20,991,111.24-8,335,702.64

Finding the Fourth Proportional to 15,210,950, 20,991,111.24 and 8,335,702.64

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Solution

The fourth proportional to 15,210,950, 20,991,111.24 and 8,335,702.64 is: 11,503,269.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,210,950 : 20,991,111.24 = 8,335,702.64 : x
  2. Step 2: Convert to fraction form
    15,210,950/20,991,111.24 = 8,335,702.64/x
  3. Step 3: Cross multiply
    15,210,950x = 20,991,111.24 × 8,335,702.64
  4. Step 4: Simplify right side
    15,210,950x = 174,975,661,379,801.66
  5. Step 5: Solve for x
    x = 174,975,661,379,801.66/15,210,950
  6. Step 6: Final answer
    x = 11,503,269.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.