Home / 6,920,033.91-9,549,936.67-3,979,852.98

Finding the Fourth Proportional to 6,920,033.91, 9,549,936.67 and 3,979,852.98

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Solution

The fourth proportional to 6,920,033.91, 9,549,936.67 and 3,979,852.98 is: 5,492,363.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920,033.91 : 9,549,936.67 = 3,979,852.98 : x
  2. Step 2: Convert to fraction form
    6,920,033.91/9,549,936.67 = 3,979,852.98/x
  3. Step 3: Cross multiply
    6,920,033.91x = 9,549,936.67 × 3,979,852.98
  4. Step 4: Simplify right side
    6,920,033.91x = 38,007,343,914,910.77
  5. Step 5: Solve for x
    x = 38,007,343,914,910.77/6,920,033.91
  6. Step 6: Final answer
    x = 5,492,363.82

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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.