Home / 13,585,575.25-18,748,215.74-7,390,757.21

Finding the Fourth Proportional to 13,585,575.25, 18,748,215.74 and 7,390,757.21

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Solution

The fourth proportional to 13,585,575.25, 18,748,215.74 and 7,390,757.21 is: 10,199,311.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585,575.25 : 18,748,215.74 = 7,390,757.21 : x
  2. Step 2: Convert to fraction form
    13,585,575.25/18,748,215.74 = 7,390,757.21/x
  3. Step 3: Cross multiply
    13,585,575.25x = 18,748,215.74 × 7,390,757.21
  4. Step 4: Simplify right side
    13,585,575.25x = 138,563,510,618,086.69
  5. Step 5: Solve for x
    x = 138,563,510,618,086.69/13,585,575.25
  6. Step 6: Final answer
    x = 10,199,311.26

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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.