Home / 31,909,566.43-47,828,041.55-19,418,221.46

Finding the Fourth Proportional to 31,909,566.43, 47,828,041.55 and 19,418,221.46

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Solution

The fourth proportional to 31,909,566.43, 47,828,041.55 and 19,418,221.46 is: 29,105,237.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,909,566.43 : 47,828,041.55 = 19,418,221.46 : x
  2. Step 2: Convert to fraction form
    31,909,566.43/47,828,041.55 = 19,418,221.46/x
  3. Step 3: Cross multiply
    31,909,566.43x = 47,828,041.55 × 19,418,221.46
  4. Step 4: Simplify right side
    31,909,566.43x = 928,735,502,911,278.88
  5. Step 5: Solve for x
    x = 928,735,502,911,278.88/31,909,566.43
  6. Step 6: Final answer
    x = 29,105,237.29

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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.