Home / 21,139,600.20-31,709,400.30-14,762,308.20

Finding the Fourth Proportional to 21,139,600.20, 31,709,400.30 and 14,762,308.20

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Solution

The fourth proportional to 21,139,600.20, 31,709,400.30 and 14,762,308.20 is: 22,143,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,139,600.20 : 31,709,400.30 = 14,762,308.20 : x
  2. Step 2: Convert to fraction form
    21,139,600.20/31,709,400.30 = 14,762,308.20/x
  3. Step 3: Cross multiply
    21,139,600.20x = 31,709,400.30 × 14,762,308.20
  4. Step 4: Simplify right side
    21,139,600.20x = 468,103,940,065,772.44
  5. Step 5: Solve for x
    x = 468,103,940,065,772.44/21,139,600.20
  6. Step 6: Final answer
    x = 22,143,462.30

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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.