Home / 14,474,133.80-21,679,707.90-8,784,434.60

Finding the Fourth Proportional to 14,474,133.80, 21,679,707.90 and 8,784,434.60

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Solution

The fourth proportional to 14,474,133.80, 21,679,707.90 and 8,784,434.60 is: 13,157,538.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,474,133.80 : 21,679,707.90 = 8,784,434.60 : x
  2. Step 2: Convert to fraction form
    14,474,133.80/21,679,707.90 = 8,784,434.60/x
  3. Step 3: Cross multiply
    14,474,133.80x = 21,679,707.90 × 8,784,434.60
  4. Step 4: Simplify right side
    14,474,133.80x = 190,443,976,194,653.31
  5. Step 5: Solve for x
    x = 190,443,976,194,653.31/14,474,133.80
  6. Step 6: Final answer
    x = 13,157,538.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.