Home / 12,852,892.34-19,278,659.50-4,215,855.08

Finding the Fourth Proportional to 12,852,892.34, 19,278,659.50 and 4,215,855.08

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Solution

The fourth proportional to 12,852,892.34, 19,278,659.50 and 4,215,855.08 is: 6,323,559.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,852,892.34 : 19,278,659.50 = 4,215,855.08 : x
  2. Step 2: Convert to fraction form
    12,852,892.34/19,278,659.50 = 4,215,855.08/x
  3. Step 3: Cross multiply
    12,852,892.34x = 19,278,659.50 × 4,215,855.08
  4. Step 4: Simplify right side
    12,852,892.34x = 81,276,034,588,665.27
  5. Step 5: Solve for x
    x = 81,276,034,588,665.27/12,852,892.34
  6. Step 6: Final answer
    x = 6,323,559.90

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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.