Home / 7,881,362.70-11,822,044.05-3,087,458.70

Finding the Fourth Proportional to 7,881,362.70, 11,822,044.05 and 3,087,458.70

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Solution

The fourth proportional to 7,881,362.70, 11,822,044.05 and 3,087,458.70 is: 4,631,188.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881,362.70 : 11,822,044.05 = 3,087,458.70 : x
  2. Step 2: Convert to fraction form
    7,881,362.70/11,822,044.05 = 3,087,458.70/x
  3. Step 3: Cross multiply
    7,881,362.70x = 11,822,044.05 × 3,087,458.70
  4. Step 4: Simplify right side
    7,881,362.70x = 36,500,072,753,955.74
  5. Step 5: Solve for x
    x = 36,500,072,753,955.74/7,881,362.70
  6. Step 6: Final answer
    x = 4,631,188.05

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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.