Home / 14,128,499.50-19,491,765.10-8,163,965.37

Finding the Fourth Proportional to 14,128,499.50, 19,491,765.10 and 8,163,965.37

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Solution

The fourth proportional to 14,128,499.50, 19,491,765.10 and 8,163,965.37 is: 11,263,057.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,128,499.50 : 19,491,765.10 = 8,163,965.37 : x
  2. Step 2: Convert to fraction form
    14,128,499.50/19,491,765.10 = 8,163,965.37/x
  3. Step 3: Cross multiply
    14,128,499.50x = 19,491,765.10 × 8,163,965.37
  4. Step 4: Simplify right side
    14,128,499.50x = 159,130,095,276,574.59
  5. Step 5: Solve for x
    x = 159,130,095,276,574.59/14,128,499.50
  6. Step 6: Final answer
    x = 11,263,057.01

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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.