Home / 20,776,051.52-28,669,086.24-11,607,421.76

Finding the Fourth Proportional to 20,776,051.52, 28,669,086.24 and 11,607,421.76

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Solution

The fourth proportional to 20,776,051.52, 28,669,086.24 and 11,607,421.76 is: 16,017,200.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,776,051.52 : 28,669,086.24 = 11,607,421.76 : x
  2. Step 2: Convert to fraction form
    20,776,051.52/28,669,086.24 = 11,607,421.76/x
  3. Step 3: Cross multiply
    20,776,051.52x = 28,669,086.24 × 11,607,421.76
  4. Step 4: Simplify right side
    20,776,051.52x = 332,774,175,461,492.56
  5. Step 5: Solve for x
    x = 332,774,175,461,492.56/20,776,051.52
  6. Step 6: Final answer
    x = 16,017,200.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.