Home / 12,674,190.30-19,011,285.45-6,285,428.70

Finding the Fourth Proportional to 12,674,190.30, 19,011,285.45 and 6,285,428.70

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Solution

The fourth proportional to 12,674,190.30, 19,011,285.45 and 6,285,428.70 is: 9,428,143.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,674,190.30 : 19,011,285.45 = 6,285,428.70 : x
  2. Step 2: Convert to fraction form
    12,674,190.30/19,011,285.45 = 6,285,428.70/x
  3. Step 3: Cross multiply
    12,674,190.30x = 19,011,285.45 × 6,285,428.70
  4. Step 4: Simplify right side
    12,674,190.30x = 119,494,079,191,322.41
  5. Step 5: Solve for x
    x = 119,494,079,191,322.41/12,674,190.30
  6. Step 6: Final answer
    x = 9,428,143.05

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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.