Home / 13,824,003.70-20,736,005.55-7,777,386.10

Finding the Fourth Proportional to 13,824,003.70, 20,736,005.55 and 7,777,386.10

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Solution

The fourth proportional to 13,824,003.70, 20,736,005.55 and 7,777,386.10 is: 11,666,079.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824,003.70 : 20,736,005.55 = 7,777,386.10 : x
  2. Step 2: Convert to fraction form
    13,824,003.70/20,736,005.55 = 7,777,386.10/x
  3. Step 3: Cross multiply
    13,824,003.70x = 20,736,005.55 × 7,777,386.10
  4. Step 4: Simplify right side
    13,824,003.70x = 161,271,921,334,092.84
  5. Step 5: Solve for x
    x = 161,271,921,334,092.84/13,824,003.70
  6. Step 6: Final answer
    x = 11,666,079.15

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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.