Home / 39,165,308.63-54,049,421.73-21,524,836.46

Finding the Fourth Proportional to 39,165,308.63, 54,049,421.73 and 21,524,836.46

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Solution

The fourth proportional to 39,165,308.63, 54,049,421.73 and 21,524,836.46 is: 29,704,986.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,165,308.63 : 54,049,421.73 = 21,524,836.46 : x
  2. Step 2: Convert to fraction form
    39,165,308.63/54,049,421.73 = 21,524,836.46/x
  3. Step 3: Cross multiply
    39,165,308.63x = 54,049,421.73 × 21,524,836.46
  4. Step 4: Simplify right side
    39,165,308.63x = 1,163,404,963,495,820.25
  5. Step 5: Solve for x
    x = 1,163,404,963,495,820.25/39,165,308.63
  6. Step 6: Final answer
    x = 29,704,986.48

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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.