Home / 21,311,997.30-31,941,751.95-14,488,557.30

Finding the Fourth Proportional to 21,311,997.30, 31,941,751.95 and 14,488,557.30

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Solution

The fourth proportional to 21,311,997.30, 31,941,751.95 and 14,488,557.30 is: 21,714,994.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,311,997.30 : 31,941,751.95 = 14,488,557.30 : x
  2. Step 2: Convert to fraction form
    21,311,997.30/31,941,751.95 = 14,488,557.30/x
  3. Step 3: Cross multiply
    21,311,997.30x = 31,941,751.95 × 14,488,557.30
  4. Step 4: Simplify right side
    21,311,997.30x = 462,789,903,389,961.75
  5. Step 5: Solve for x
    x = 462,789,903,389,961.75/21,311,997.30
  6. Step 6: Final answer
    x = 21,714,994.46

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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.