Home / 14,775,846.40-20,387,205.12-8,974,466.56

Finding the Fourth Proportional to 14,775,846.40, 20,387,205.12 and 8,974,466.56

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Solution

The fourth proportional to 14,775,846.40, 20,387,205.12 and 8,974,466.56 is: 12,382,660.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,775,846.40 : 20,387,205.12 = 8,974,466.56 : x
  2. Step 2: Convert to fraction form
    14,775,846.40/20,387,205.12 = 8,974,466.56/x
  3. Step 3: Cross multiply
    14,775,846.40x = 20,387,205.12 × 8,974,466.56
  4. Step 4: Simplify right side
    14,775,846.40x = 182,964,290,601,300.81
  5. Step 5: Solve for x
    x = 182,964,290,601,300.81/14,775,846.40
  6. Step 6: Final answer
    x = 12,382,660.57

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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.