Home / 7,868,823.91-11,790,187.02-4,785,488.49

Finding the Fourth Proportional to 7,868,823.91, 11,790,187.02 and 4,785,488.49

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Solution

The fourth proportional to 7,868,823.91, 11,790,187.02 and 4,785,488.49 is: 7,170,296.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868,823.91 : 11,790,187.02 = 4,785,488.49 : x
  2. Step 2: Convert to fraction form
    7,868,823.91/11,790,187.02 = 4,785,488.49/x
  3. Step 3: Cross multiply
    7,868,823.91x = 11,790,187.02 × 4,785,488.49
  4. Step 4: Simplify right side
    7,868,823.91x = 56,421,804,279,157.40
  5. Step 5: Solve for x
    x = 56,421,804,279,157.40/7,868,823.91
  6. Step 6: Final answer
    x = 7,170,296.98

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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.