Home / 14,195,378.40-21,301,815.60-5,674,826.40

Finding the Fourth Proportional to 14,195,378.40, 21,301,815.60 and 5,674,826.40

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Solution

The fourth proportional to 14,195,378.40, 21,301,815.60 and 5,674,826.40 is: 8,515,736.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,195,378.40 : 21,301,815.60 = 5,674,826.40 : x
  2. Step 2: Convert to fraction form
    14,195,378.40/21,301,815.60 = 5,674,826.40/x
  3. Step 3: Cross multiply
    14,195,378.40x = 21,301,815.60 × 5,674,826.40
  4. Step 4: Simplify right side
    14,195,378.40x = 120,884,105,534,811.86
  5. Step 5: Solve for x
    x = 120,884,105,534,811.86/14,195,378.40
  6. Step 6: Final answer
    x = 8,515,736.75

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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.