Home / 14,117,079.28-19,481,567.84-8,005,507.76

Finding the Fourth Proportional to 14,117,079.28, 19,481,567.84 and 8,005,507.76

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Solution

The fourth proportional to 14,117,079.28, 19,481,567.84 and 8,005,507.76 is: 11,047,599.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117,079.28 : 19,481,567.84 = 8,005,507.76 : x
  2. Step 2: Convert to fraction form
    14,117,079.28/19,481,567.84 = 8,005,507.76/x
  3. Step 3: Cross multiply
    14,117,079.28x = 19,481,567.84 × 8,005,507.76
  4. Step 4: Simplify right side
    14,117,079.28x = 155,959,842,520,086.44
  5. Step 5: Solve for x
    x = 155,959,842,520,086.44/14,117,079.28
  6. Step 6: Final answer
    x = 11,047,599.82

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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.