Home / 8,301,399.40-12,457,347.90-4,889,679.40

Finding the Fourth Proportional to 8,301,399.40, 12,457,347.90 and 4,889,679.40

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Solution

The fourth proportional to 8,301,399.40, 12,457,347.90 and 4,889,679.40 is: 7,337,610.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,301,399.40 : 12,457,347.90 = 4,889,679.40 : x
  2. Step 2: Convert to fraction form
    8,301,399.40/12,457,347.90 = 4,889,679.40/x
  3. Step 3: Cross multiply
    8,301,399.40x = 12,457,347.90 × 4,889,679.40
  4. Step 4: Simplify right side
    8,301,399.40x = 60,912,437,405,263.27
  5. Step 5: Solve for x
    x = 60,912,437,405,263.27/8,301,399.40
  6. Step 6: Final answer
    x = 7,337,610.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.