Home / 31,909,567.43-47,828,043.05-19,418,222.46

Finding the Fourth Proportional to 31,909,567.43, 47,828,043.05 and 19,418,222.46

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Solution

The fourth proportional to 31,909,567.43, 47,828,043.05 and 19,418,222.46 is: 29,105,238.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,909,567.43 : 47,828,043.05 = 19,418,222.46 : x
  2. Step 2: Convert to fraction form
    31,909,567.43/47,828,043.05 = 19,418,222.46/x
  3. Step 3: Cross multiply
    31,909,567.43x = 47,828,043.05 × 19,418,222.46
  4. Step 4: Simplify right side
    31,909,567.43x = 928,735,579,771,356.88
  5. Step 5: Solve for x
    x = 928,735,579,771,356.88/31,909,567.43
  6. Step 6: Final answer
    x = 29,105,238.79

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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.