Home / 14,275,814.40-21,420,979.20-9,486,835.20

Finding the Fourth Proportional to 14,275,814.40, 21,420,979.20 and 9,486,835.20

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Solution

The fourth proportional to 14,275,814.40, 21,420,979.20 and 9,486,835.20 is: 14,235,075.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275,814.40 : 21,420,979.20 = 9,486,835.20 : x
  2. Step 2: Convert to fraction form
    14,275,814.40/21,420,979.20 = 9,486,835.20/x
  3. Step 3: Cross multiply
    14,275,814.40x = 21,420,979.20 × 9,486,835.20
  4. Step 4: Simplify right side
    14,275,814.40x = 203,217,299,493,027.81
  5. Step 5: Solve for x
    x = 203,217,299,493,027.81/14,275,814.40
  6. Step 6: Final answer
    x = 14,235,075.76

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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.