Home / 20,736,008.70-31,104,013.05-14,631,330.30

Finding the Fourth Proportional to 20,736,008.70, 31,104,013.05 and 14,631,330.30

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Solution

The fourth proportional to 20,736,008.70, 31,104,013.05 and 14,631,330.30 is: 21,946,995.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,008.70 : 31,104,013.05 = 14,631,330.30 : x
  2. Step 2: Convert to fraction form
    20,736,008.70/31,104,013.05 = 14,631,330.30/x
  3. Step 3: Cross multiply
    20,736,008.70x = 31,104,013.05 × 14,631,330.30
  4. Step 4: Simplify right side
    20,736,008.70x = 455,093,088,590,060.44
  5. Step 5: Solve for x
    x = 455,093,088,590,060.44/20,736,008.70
  6. Step 6: Final answer
    x = 21,946,995.45

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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.