Home / 12,826,174.98-17,700,407.86-7,319,440.20

Finding the Fourth Proportional to 12,826,174.98, 17,700,407.86 and 7,319,440.20

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Solution

The fourth proportional to 12,826,174.98, 17,700,407.86 and 7,319,440.20 is: 10,100,990.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826,174.98 : 17,700,407.86 = 7,319,440.20 : x
  2. Step 2: Convert to fraction form
    12,826,174.98/17,700,407.86 = 7,319,440.20/x
  3. Step 3: Cross multiply
    12,826,174.98x = 17,700,407.86 × 7,319,440.20
  4. Step 4: Simplify right side
    12,826,174.98x = 129,557,076,846,879.97
  5. Step 5: Solve for x
    x = 129,557,076,846,879.97/12,826,174.98
  6. Step 6: Final answer
    x = 10,100,990.91

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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.