Home / 12,179,612.16-16,805,728.30-6,950,232.72

Finding the Fourth Proportional to 12,179,612.16, 16,805,728.30 and 6,950,232.72

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Solution

The fourth proportional to 12,179,612.16, 16,805,728.30 and 6,950,232.72 is: 9,590,101.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,179,612.16 : 16,805,728.30 = 6,950,232.72 : x
  2. Step 2: Convert to fraction form
    12,179,612.16/16,805,728.30 = 6,950,232.72/x
  3. Step 3: Cross multiply
    12,179,612.16x = 16,805,728.30 × 6,950,232.72
  4. Step 4: Simplify right side
    12,179,612.16x = 116,803,722,714,089.98
  5. Step 5: Solve for x
    x = 116,803,722,714,089.98/12,179,612.16
  6. Step 6: Final answer
    x = 9,590,101.98

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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.