Home / 20,983,077-28,955,524.59-11,563,561.94

Finding the Fourth Proportional to 20,983,077, 28,955,524.59 and 11,563,561.94

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Solution

The fourth proportional to 20,983,077, 28,955,524.59 and 11,563,561.94 is: 15,957,097.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,983,077 : 28,955,524.59 = 11,563,561.94 : x
  2. Step 2: Convert to fraction form
    20,983,077/28,955,524.59 = 11,563,561.94/x
  3. Step 3: Cross multiply
    20,983,077x = 28,955,524.59 × 11,563,561.94
  4. Step 4: Simplify right side
    20,983,077x = 334,829,001,956,880.50
  5. Step 5: Solve for x
    x = 334,829,001,956,880.50/20,983,077
  6. Step 6: Final answer
    x = 15,957,097.33

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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.