Home / 21,228,663.06-31,824,144.27-8,271,812.34

Finding the Fourth Proportional to 21,228,663.06, 31,824,144.27 and 8,271,812.34

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Solution

The fourth proportional to 21,228,663.06, 31,824,144.27 and 8,271,812.34 is: 12,400,373.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,228,663.06 : 31,824,144.27 = 8,271,812.34 : x
  2. Step 2: Convert to fraction form
    21,228,663.06/31,824,144.27 = 8,271,812.34/x
  3. Step 3: Cross multiply
    21,228,663.06x = 31,824,144.27 × 8,271,812.34
  4. Step 4: Simplify right side
    21,228,663.06x = 263,243,349,282,526.28
  5. Step 5: Solve for x
    x = 263,243,349,282,526.28/21,228,663.06
  6. Step 6: Final answer
    x = 12,400,373.43

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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.