Home / 13,208,734.83-19,817,821.78-8,031,876.91

Finding the Fourth Proportional to 13,208,734.83, 19,817,821.78 and 8,031,876.91

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Solution

The fourth proportional to 13,208,734.83, 19,817,821.78 and 8,031,876.91 is: 12,050,685.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208,734.83 : 19,817,821.78 = 8,031,876.91 : x
  2. Step 2: Convert to fraction form
    13,208,734.83/19,817,821.78 = 8,031,876.91/x
  3. Step 3: Cross multiply
    13,208,734.83x = 19,817,821.78 × 8,031,876.91
  4. Step 4: Simplify right side
    13,208,734.83x = 159,174,305,161,277.12
  5. Step 5: Solve for x
    x = 159,174,305,161,277.12/13,208,734.83
  6. Step 6: Final answer
    x = 12,050,685.19

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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.