Home / 7,123,827.67-9,830,890.51-3,860,642.23

Finding the Fourth Proportional to 7,123,827.67, 9,830,890.51 and 3,860,642.23

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Solution

The fourth proportional to 7,123,827.67, 9,830,890.51 and 3,860,642.23 is: 5,327,690.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,123,827.67 : 9,830,890.51 = 3,860,642.23 : x
  2. Step 2: Convert to fraction form
    7,123,827.67/9,830,890.51 = 3,860,642.23/x
  3. Step 3: Cross multiply
    7,123,827.67x = 9,830,890.51 × 3,860,642.23
  4. Step 4: Simplify right side
    7,123,827.67x = 37,953,551,027,183.41
  5. Step 5: Solve for x
    x = 37,953,551,027,183.41/7,123,827.67
  6. Step 6: Final answer
    x = 5,327,690.79

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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.