Home / 13,019,984.98-19,491,666.42-8,691,298.84

Finding the Fourth Proportional to 13,019,984.98, 19,491,666.42 and 8,691,298.84

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Solution

The fourth proportional to 13,019,984.98, 19,491,666.42 and 8,691,298.84 is: 13,011,374.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,019,984.98 : 19,491,666.42 = 8,691,298.84 : x
  2. Step 2: Convert to fraction form
    13,019,984.98/19,491,666.42 = 8,691,298.84/x
  3. Step 3: Cross multiply
    13,019,984.98x = 19,491,666.42 × 8,691,298.84
  4. Step 4: Simplify right side
    13,019,984.98x = 169,407,897,745,812.97
  5. Step 5: Solve for x
    x = 169,407,897,745,812.97/13,019,984.98
  6. Step 6: Final answer
    x = 13,011,374.28

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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.