Home / 7,381,341.70-11,072,012.55-4,345,591.30

Finding the Fourth Proportional to 7,381,341.70, 11,072,012.55 and 4,345,591.30

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Solution

The fourth proportional to 7,381,341.70, 11,072,012.55 and 4,345,591.30 is: 6,518,386.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,341.70 : 11,072,012.55 = 4,345,591.30 : x
  2. Step 2: Convert to fraction form
    7,381,341.70/11,072,012.55 = 4,345,591.30/x
  3. Step 3: Cross multiply
    7,381,341.70x = 11,072,012.55 × 4,345,591.30
  4. Step 4: Simplify right side
    7,381,341.70x = 48,114,441,410,770.81
  5. Step 5: Solve for x
    x = 48,114,441,410,770.81/7,381,341.70
  6. Step 6: Final answer
    x = 6,518,386.95

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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.