Home / 12,129,108.51-18,193,945.73-4,042,741.62

Finding the Fourth Proportional to 12,129,108.51, 18,193,945.73 and 4,042,741.62

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Solution

The fourth proportional to 12,129,108.51, 18,193,945.73 and 4,042,741.62 is: 6,064,206.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,129,108.51 : 18,193,945.73 = 4,042,741.62 : x
  2. Step 2: Convert to fraction form
    12,129,108.51/18,193,945.73 = 4,042,741.62/x
  3. Step 3: Cross multiply
    12,129,108.51x = 18,193,945.73 × 4,042,741.62
  4. Step 4: Simplify right side
    12,129,108.51x = 73,553,421,705,446.28
  5. Step 5: Solve for x
    x = 73,553,421,705,446.28/12,129,108.51
  6. Step 6: Final answer
    x = 6,064,206.75

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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.