Home / 12,026,083.80-18,039,125.70-9,338,698.20

Finding the Fourth Proportional to 12,026,083.80, 18,039,125.70 and 9,338,698.20

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Solution

The fourth proportional to 12,026,083.80, 18,039,125.70 and 9,338,698.20 is: 14,008,047.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,026,083.80 : 18,039,125.70 = 9,338,698.20 : x
  2. Step 2: Convert to fraction form
    12,026,083.80/18,039,125.70 = 9,338,698.20/x
  3. Step 3: Cross multiply
    12,026,083.80x = 18,039,125.70 × 9,338,698.20
  4. Step 4: Simplify right side
    12,026,083.80x = 168,461,950,704,163.72
  5. Step 5: Solve for x
    x = 168,461,950,704,163.72/12,026,083.80
  6. Step 6: Final answer
    x = 14,008,047.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.