Home / 14,806,359.90-20,432,392.94-8,191,192.64

Finding the Fourth Proportional to 14,806,359.90, 20,432,392.94 and 8,191,192.64

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Solution

The fourth proportional to 14,806,359.90, 20,432,392.94 and 8,191,192.64 is: 11,303,633.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,806,359.90 : 20,432,392.94 = 8,191,192.64 : x
  2. Step 2: Convert to fraction form
    14,806,359.90/20,432,392.94 = 8,191,192.64/x
  3. Step 3: Cross multiply
    14,806,359.90x = 20,432,392.94 × 8,191,192.64
  4. Step 4: Simplify right side
    14,806,359.90x = 167,365,666,667,715.97
  5. Step 5: Solve for x
    x = 167,365,666,667,715.97/14,806,359.90
  6. Step 6: Final answer
    x = 11,303,633.56

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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.