Home / 8,437,749.21-11,643,489.37-4,953,229.45

Finding the Fourth Proportional to 8,437,749.21, 11,643,489.37 and 4,953,229.45

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Solution

The fourth proportional to 8,437,749.21, 11,643,489.37 and 4,953,229.45 is: 6,835,101.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437,749.21 : 11,643,489.37 = 4,953,229.45 : x
  2. Step 2: Convert to fraction form
    8,437,749.21/11,643,489.37 = 4,953,229.45/x
  3. Step 3: Cross multiply
    8,437,749.21x = 11,643,489.37 × 4,953,229.45
  4. Step 4: Simplify right side
    8,437,749.21x = 57,672,874,406,754.15
  5. Step 5: Solve for x
    x = 57,672,874,406,754.15/8,437,749.21
  6. Step 6: Final answer
    x = 6,835,101.75

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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.