Home / 14,489,276.40-21,709,031.40-7,655,727.60

Finding the Fourth Proportional to 14,489,276.40, 21,709,031.40 and 7,655,727.60

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Solution

The fourth proportional to 14,489,276.40, 21,709,031.40 and 7,655,727.60 is: 11,470,443.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489,276.40 : 21,709,031.40 = 7,655,727.60 : x
  2. Step 2: Convert to fraction form
    14,489,276.40/21,709,031.40 = 7,655,727.60/x
  3. Step 3: Cross multiply
    14,489,276.40x = 21,709,031.40 × 7,655,727.60
  4. Step 4: Simplify right side
    14,489,276.40x = 166,198,430,858,246.62
  5. Step 5: Solve for x
    x = 166,198,430,858,246.62/14,489,276.40
  6. Step 6: Final answer
    x = 11,470,443.81

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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.