Home / 27,503,815.50-37,956,446.37-15,280,672.50

Finding the Fourth Proportional to 27,503,815.50, 37,956,446.37 and 15,280,672.50

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Solution

The fourth proportional to 27,503,815.50, 37,956,446.37 and 15,280,672.50 is: 21,087,984.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,503,815.50 : 37,956,446.37 = 15,280,672.50 : x
  2. Step 2: Convert to fraction form
    27,503,815.50/37,956,446.37 = 15,280,672.50/x
  3. Step 3: Cross multiply
    27,503,815.50x = 37,956,446.37 × 15,280,672.50
  4. Step 4: Simplify right side
    27,503,815.50x = 580,000,026,243,783.75
  5. Step 5: Solve for x
    x = 580,000,026,243,783.75/27,503,815.50
  6. Step 6: Final answer
    x = 21,087,984.18

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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.