Home / 7,180,240.49-9,907,376.67-4,279,901.24

Finding the Fourth Proportional to 7,180,240.49, 9,907,376.67 and 4,279,901.24

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Solution

The fourth proportional to 7,180,240.49, 9,907,376.67 and 4,279,901.24 is: 5,905,455.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180,240.49 : 9,907,376.67 = 4,279,901.24 : x
  2. Step 2: Convert to fraction form
    7,180,240.49/9,907,376.67 = 4,279,901.24/x
  3. Step 3: Cross multiply
    7,180,240.49x = 9,907,376.67 × 4,279,901.24
  4. Step 4: Simplify right side
    7,180,240.49x = 42,402,593,645,543.19
  5. Step 5: Solve for x
    x = 42,402,593,645,543.19/7,180,240.49
  6. Step 6: Final answer
    x = 5,905,455.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.