Home / 20,736,005.70-31,104,008.55-14,631,327.30

Finding the Fourth Proportional to 20,736,005.70, 31,104,008.55 and 14,631,327.30

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Solution

The fourth proportional to 20,736,005.70, 31,104,008.55 and 14,631,327.30 is: 21,946,990.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,005.70 : 31,104,008.55 = 14,631,327.30 : x
  2. Step 2: Convert to fraction form
    20,736,005.70/31,104,008.55 = 14,631,327.30/x
  3. Step 3: Cross multiply
    20,736,005.70x = 31,104,008.55 × 14,631,327.30
  4. Step 4: Simplify right side
    20,736,005.70x = 455,092,929,437,048.44
  5. Step 5: Solve for x
    x = 455,092,929,437,048.44/20,736,005.70
  6. Step 6: Final answer
    x = 21,946,990.95

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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.