Home / 14,541,221.72-20,065,706.16-8,430,043.88

Finding the Fourth Proportional to 14,541,221.72, 20,065,706.16 and 8,430,043.88

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Solution

The fourth proportional to 14,541,221.72, 20,065,706.16 and 8,430,043.88 is: 11,632,776.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,541,221.72 : 20,065,706.16 = 8,430,043.88 : x
  2. Step 2: Convert to fraction form
    14,541,221.72/20,065,706.16 = 8,430,043.88/x
  3. Step 3: Cross multiply
    14,541,221.72x = 20,065,706.16 × 8,430,043.88
  4. Step 4: Simplify right side
    14,541,221.72x = 169,154,783,411,986.31
  5. Step 5: Solve for x
    x = 169,154,783,411,986.31/14,541,221.72
  6. Step 6: Final answer
    x = 11,632,776.58

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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.