Home / 12,745,652.84-19,121,278.62-3,769,505

Finding the Fourth Proportional to 12,745,652.84, 19,121,278.62 and 3,769,505

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Solution

The fourth proportional to 12,745,652.84, 19,121,278.62 and 3,769,505 is: 5,655,085.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,745,652.84 : 19,121,278.62 = 3,769,505 : x
  2. Step 2: Convert to fraction form
    12,745,652.84/19,121,278.62 = 3,769,505/x
  3. Step 3: Cross multiply
    12,745,652.84x = 19,121,278.62 × 3,769,505
  4. Step 4: Simplify right side
    12,745,652.84x = 72,077,755,364,483.11
  5. Step 5: Solve for x
    x = 72,077,755,364,483.11/12,745,652.84
  6. Step 6: Final answer
    x = 5,655,085.41

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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.