Home / 9,815,894.12-13,542,427.08-5,683,669.40

Finding the Fourth Proportional to 9,815,894.12, 13,542,427.08 and 5,683,669.40

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Solution

The fourth proportional to 9,815,894.12, 13,542,427.08 and 5,683,669.40 is: 7,841,433.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,815,894.12 : 13,542,427.08 = 5,683,669.40 : x
  2. Step 2: Convert to fraction form
    9,815,894.12/13,542,427.08 = 5,683,669.40/x
  3. Step 3: Cross multiply
    9,815,894.12x = 13,542,427.08 × 5,683,669.40
  4. Step 4: Simplify right side
    9,815,894.12x = 76,970,678,396,327.36
  5. Step 5: Solve for x
    x = 76,970,678,396,327.36/9,815,894.12
  6. Step 6: Final answer
    x = 7,841,433.24

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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.