Home / 12,885,428.80-19,327,697.70-3,300,901.30

Finding the Fourth Proportional to 12,885,428.80, 19,327,697.70 and 3,300,901.30

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Solution

The fourth proportional to 12,885,428.80, 19,327,697.70 and 3,300,901.30 is: 4,951,237.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,885,428.80 : 19,327,697.70 = 3,300,901.30 : x
  2. Step 2: Convert to fraction form
    12,885,428.80/19,327,697.70 = 3,300,901.30/x
  3. Step 3: Cross multiply
    12,885,428.80x = 19,327,697.70 × 3,300,901.30
  4. Step 4: Simplify right side
    12,885,428.80x = 63,798,822,463,937.01
  5. Step 5: Solve for x
    x = 63,798,822,463,937.01/12,885,428.80
  6. Step 6: Final answer
    x = 4,951,237.82

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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.