Home / 9,985,890.98-13,780,394.65-5,575,684.79

Finding the Fourth Proportional to 9,985,890.98, 13,780,394.65 and 5,575,684.79

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Solution

The fourth proportional to 9,985,890.98, 13,780,394.65 and 5,575,684.79 is: 7,694,369.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985,890.98 : 13,780,394.65 = 5,575,684.79 : x
  2. Step 2: Convert to fraction form
    9,985,890.98/13,780,394.65 = 5,575,684.79/x
  3. Step 3: Cross multiply
    9,985,890.98x = 13,780,394.65 × 5,575,684.79
  4. Step 4: Simplify right side
    9,985,890.98x = 76,835,136,850,202.38
  5. Step 5: Solve for x
    x = 76,835,136,850,202.38/9,985,890.98
  6. Step 6: Final answer
    x = 7,694,369.69

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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.