Home / 12,757,807.84-19,136,711.76-8,756,589.28

Finding the Fourth Proportional to 12,757,807.84, 19,136,711.76 and 8,756,589.28

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Solution

The fourth proportional to 12,757,807.84, 19,136,711.76 and 8,756,589.28 is: 13,134,883.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,757,807.84 : 19,136,711.76 = 8,756,589.28 : x
  2. Step 2: Convert to fraction form
    12,757,807.84/19,136,711.76 = 8,756,589.28/x
  3. Step 3: Cross multiply
    12,757,807.84x = 19,136,711.76 × 8,756,589.28
  4. Step 4: Simplify right side
    12,757,807.84x = 167,572,325,052,065.94
  5. Step 5: Solve for x
    x = 167,572,325,052,065.94/12,757,807.84
  6. Step 6: Final answer
    x = 13,134,883.92

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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.