Home / 12,830,810-17,702,158.29-7,320,226.10

Finding the Fourth Proportional to 12,830,810, 17,702,158.29 and 7,320,226.10

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Solution

The fourth proportional to 12,830,810, 17,702,158.29 and 7,320,226.10 is: 10,099,424.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,830,810 : 17,702,158.29 = 7,320,226.10 : x
  2. Step 2: Convert to fraction form
    12,830,810/17,702,158.29 = 7,320,226.10/x
  3. Step 3: Cross multiply
    12,830,810x = 17,702,158.29 × 7,320,226.10
  4. Step 4: Simplify right side
    12,830,810x = 129,583,801,140,789.36
  5. Step 5: Solve for x
    x = 129,583,801,140,789.36/12,830,810
  6. Step 6: Final answer
    x = 10,099,424.83

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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.