Home / 12,086,595.80-18,129,893.70-9,346,722.20

Finding the Fourth Proportional to 12,086,595.80, 18,129,893.70 and 9,346,722.20

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Solution

The fourth proportional to 12,086,595.80, 18,129,893.70 and 9,346,722.20 is: 14,020,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,086,595.80 : 18,129,893.70 = 9,346,722.20 : x
  2. Step 2: Convert to fraction form
    12,086,595.80/18,129,893.70 = 9,346,722.20/x
  3. Step 3: Cross multiply
    12,086,595.80x = 18,129,893.70 × 9,346,722.20
  4. Step 4: Simplify right side
    12,086,595.80x = 169,455,079,929,430.12
  5. Step 5: Solve for x
    x = 169,455,079,929,430.12/12,086,595.80
  6. Step 6: Final answer
    x = 14,020,083.30

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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.