Home / 12,308,751.90-18,466,540.65-5,123,670.30

Finding the Fourth Proportional to 12,308,751.90, 18,466,540.65 and 5,123,670.30

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Solution

The fourth proportional to 12,308,751.90, 18,466,540.65 and 5,123,670.30 is: 7,686,926.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308,751.90 : 18,466,540.65 = 5,123,670.30 : x
  2. Step 2: Convert to fraction form
    12,308,751.90/18,466,540.65 = 5,123,670.30/x
  3. Step 3: Cross multiply
    12,308,751.90x = 18,466,540.65 × 5,123,670.30
  4. Step 4: Simplify right side
    12,308,751.90x = 94,616,465,872,147.69
  5. Step 5: Solve for x
    x = 94,616,465,872,147.69/12,308,751.90
  6. Step 6: Final answer
    x = 7,686,926.07

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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.