Home / 8,266,296.80-12,377,326.80-5,258,194.40

Finding the Fourth Proportional to 8,266,296.80, 12,377,326.80 and 5,258,194.40

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Solution

The fourth proportional to 8,266,296.80, 12,377,326.80 and 5,258,194.40 is: 7,873,222.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266,296.80 : 12,377,326.80 = 5,258,194.40 : x
  2. Step 2: Convert to fraction form
    8,266,296.80/12,377,326.80 = 5,258,194.40/x
  3. Step 3: Cross multiply
    8,266,296.80x = 12,377,326.80 × 5,258,194.40
  4. Step 4: Simplify right side
    8,266,296.80x = 65,082,390,466,729.93
  5. Step 5: Solve for x
    x = 65,082,390,466,729.93/8,266,296.80
  6. Step 6: Final answer
    x = 7,873,222.08

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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.