Home / 47,342,067.90-71,013,801.72-13,261,259.58

Finding the Fourth Proportional to 47,342,067.90, 71,013,801.72 and 13,261,259.58

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Solution

The fourth proportional to 47,342,067.90, 71,013,801.72 and 13,261,259.58 is: 19,892,085.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,342,067.90 : 71,013,801.72 = 13,261,259.58 : x
  2. Step 2: Convert to fraction form
    47,342,067.90/71,013,801.72 = 13,261,259.58/x
  3. Step 3: Cross multiply
    47,342,067.90x = 71,013,801.72 × 13,261,259.58
  4. Step 4: Simplify right side
    47,342,067.90x = 941,732,458,371,570.50
  5. Step 5: Solve for x
    x = 941,732,458,371,570.50/47,342,067.90
  6. Step 6: Final answer
    x = 19,892,085.41

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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.