Home / 20,911,536.48-31,359,881.61-6,135,507.36

Finding the Fourth Proportional to 20,911,536.48, 31,359,881.61 and 6,135,507.36

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Solution

The fourth proportional to 20,911,536.48, 31,359,881.61 and 6,135,507.36 is: 9,201,083.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,911,536.48 : 31,359,881.61 = 6,135,507.36 : x
  2. Step 2: Convert to fraction form
    20,911,536.48/31,359,881.61 = 6,135,507.36/x
  3. Step 3: Cross multiply
    20,911,536.48x = 31,359,881.61 × 6,135,507.36
  4. Step 4: Simplify right side
    20,911,536.48x = 192,408,784,426,883.66
  5. Step 5: Solve for x
    x = 192,408,784,426,883.66/20,911,536.48
  6. Step 6: Final answer
    x = 9,201,083.08

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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.