Home / 7,788,271.47-11,686,589.91-3,242,458.05

Finding the Fourth Proportional to 7,788,271.47, 11,686,589.91 and 3,242,458.05

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Solution

The fourth proportional to 7,788,271.47, 11,686,589.91 and 3,242,458.05 is: 4,865,428.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788,271.47 : 11,686,589.91 = 3,242,458.05 : x
  2. Step 2: Convert to fraction form
    7,788,271.47/11,686,589.91 = 3,242,458.05/x
  3. Step 3: Cross multiply
    7,788,271.47x = 11,686,589.91 × 3,242,458.05
  4. Step 4: Simplify right side
    7,788,271.47x = 37,893,277,530,728.27
  5. Step 5: Solve for x
    x = 37,893,277,530,728.27/7,788,271.47
  6. Step 6: Final answer
    x = 4,865,428.44

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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.