Home / 14,340,459.37-19,789,577.76-7,814,145.19

Finding the Fourth Proportional to 14,340,459.37, 19,789,577.76 and 7,814,145.19

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Solution

The fourth proportional to 14,340,459.37, 19,789,577.76 and 7,814,145.19 is: 10,783,380.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,340,459.37 : 19,789,577.76 = 7,814,145.19 : x
  2. Step 2: Convert to fraction form
    14,340,459.37/19,789,577.76 = 7,814,145.19/x
  3. Step 3: Cross multiply
    14,340,459.37x = 19,789,577.76 × 7,814,145.19
  4. Step 4: Simplify right side
    14,340,459.37x = 154,638,633,865,435
  5. Step 5: Solve for x
    x = 154,638,633,865,435/14,340,459.37
  6. Step 6: Final answer
    x = 10,783,380.77

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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.