Home / 12,195,997.58-16,830,500.72-6,689,417.26

Finding the Fourth Proportional to 12,195,997.58, 16,830,500.72 and 6,689,417.26

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Solution

The fourth proportional to 12,195,997.58, 16,830,500.72 and 6,689,417.26 is: 9,231,409.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195,997.58 : 16,830,500.72 = 6,689,417.26 : x
  2. Step 2: Convert to fraction form
    12,195,997.58/16,830,500.72 = 6,689,417.26/x
  3. Step 3: Cross multiply
    12,195,997.58x = 16,830,500.72 × 6,689,417.26
  4. Step 4: Simplify right side
    12,195,997.58x = 112,586,242,010,810.42
  5. Step 5: Solve for x
    x = 112,586,242,010,810.42/12,195,997.58
  6. Step 6: Final answer
    x = 9,231,409.02

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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.