Home / 7,718,820.36-11,576,605.14-4,978,158.36

Finding the Fourth Proportional to 7,718,820.36, 11,576,605.14 and 4,978,158.36

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Solution

The fourth proportional to 7,718,820.36, 11,576,605.14 and 4,978,158.36 is: 7,466,189.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718,820.36 : 11,576,605.14 = 4,978,158.36 : x
  2. Step 2: Convert to fraction form
    7,718,820.36/11,576,605.14 = 4,978,158.36/x
  3. Step 3: Cross multiply
    7,718,820.36x = 11,576,605.14 × 4,978,158.36
  4. Step 4: Simplify right side
    7,718,820.36x = 57,630,173,658,109.98
  5. Step 5: Solve for x
    x = 57,630,173,658,109.98/7,718,820.36
  6. Step 6: Final answer
    x = 7,466,189.26

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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.