Home / 7,881,360.70-11,822,041.05-3,087,456.70

Finding the Fourth Proportional to 7,881,360.70, 11,822,041.05 and 3,087,456.70

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Solution

The fourth proportional to 7,881,360.70, 11,822,041.05 and 3,087,456.70 is: 4,631,185.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881,360.70 : 11,822,041.05 = 3,087,456.70 : x
  2. Step 2: Convert to fraction form
    7,881,360.70/11,822,041.05 = 3,087,456.70/x
  3. Step 3: Cross multiply
    7,881,360.70x = 11,822,041.05 × 3,087,456.70
  4. Step 4: Simplify right side
    7,881,360.70x = 36,500,039,847,497.54
  5. Step 5: Solve for x
    x = 36,500,039,847,497.54/7,881,360.70
  6. Step 6: Final answer
    x = 4,631,185.05

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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.