Home / 13,011,069.90-17,963,437.89-8,372,913.38

Finding the Fourth Proportional to 13,011,069.90, 17,963,437.89 and 8,372,913.38

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Solution

The fourth proportional to 13,011,069.90, 17,963,437.89 and 8,372,913.38 is: 11,559,872.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,069.90 : 17,963,437.89 = 8,372,913.38 : x
  2. Step 2: Convert to fraction form
    13,011,069.90/17,963,437.89 = 8,372,913.38/x
  3. Step 3: Cross multiply
    13,011,069.90x = 17,963,437.89 × 8,372,913.38
  4. Step 4: Simplify right side
    13,011,069.90x = 150,406,309,536,287
  5. Step 5: Solve for x
    x = 150,406,309,536,287/13,011,069.90
  6. Step 6: Final answer
    x = 11,559,872.53

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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.