Home / 31,909,566.42-47,828,041.56-19,418,221.47

Finding the Fourth Proportional to 31,909,566.42, 47,828,041.56 and 19,418,221.47

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Solution

The fourth proportional to 31,909,566.42, 47,828,041.56 and 19,418,221.47 is: 29,105,237.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,909,566.42 : 47,828,041.56 = 19,418,221.47 : x
  2. Step 2: Convert to fraction form
    31,909,566.42/47,828,041.56 = 19,418,221.47/x
  3. Step 3: Cross multiply
    31,909,566.42x = 47,828,041.56 × 19,418,221.47
  4. Step 4: Simplify right side
    31,909,566.42x = 928,735,503,249,304.12
  5. Step 5: Solve for x
    x = 928,735,503,249,304.12/31,909,566.42
  6. Step 6: Final answer
    x = 29,105,237.31

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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.