Home / 9,648,883.55-13,315,893.64-5,781,321.67

Finding the Fourth Proportional to 9,648,883.55, 13,315,893.64 and 5,781,321.67

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Solution

The fourth proportional to 9,648,883.55, 13,315,893.64 and 5,781,321.67 is: 7,978,484.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,648,883.55 : 13,315,893.64 = 5,781,321.67 : x
  2. Step 2: Convert to fraction form
    9,648,883.55/13,315,893.64 = 5,781,321.67/x
  3. Step 3: Cross multiply
    9,648,883.55x = 13,315,893.64 × 5,781,321.67
  4. Step 4: Simplify right side
    9,648,883.55x = 76,983,464,456,347.19
  5. Step 5: Solve for x
    x = 76,983,464,456,347.19/9,648,883.55
  6. Step 6: Final answer
    x = 7,978,484.15

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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.