Home / 13,431,775.62-18,535,912.84-7,630,875.66

Finding the Fourth Proportional to 13,431,775.62, 18,535,912.84 and 7,630,875.66

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Solution

The fourth proportional to 13,431,775.62, 18,535,912.84 and 7,630,875.66 is: 10,530,643.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,431,775.62 : 18,535,912.84 = 7,630,875.66 : x
  2. Step 2: Convert to fraction form
    13,431,775.62/18,535,912.84 = 7,630,875.66/x
  3. Step 3: Cross multiply
    13,431,775.62x = 18,535,912.84 × 7,630,875.66
  4. Step 4: Simplify right side
    13,431,775.62x = 141,445,246,126,637.47
  5. Step 5: Solve for x
    x = 141,445,246,126,637.47/13,431,775.62
  6. Step 6: Final answer
    x = 10,530,643.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.