Home / 12,829,239.59-17,704,791.09-7,028,019.77

Finding the Fourth Proportional to 12,829,239.59, 17,704,791.09 and 7,028,019.77

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Solution

The fourth proportional to 12,829,239.59, 17,704,791.09 and 7,028,019.77 is: 9,698,908.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,829,239.59 : 17,704,791.09 = 7,028,019.77 : x
  2. Step 2: Convert to fraction form
    12,829,239.59/17,704,791.09 = 7,028,019.77/x
  3. Step 3: Cross multiply
    12,829,239.59x = 17,704,791.09 × 7,028,019.77
  4. Step 4: Simplify right side
    12,829,239.59x = 124,429,621,715,715.89
  5. Step 5: Solve for x
    x = 124,429,621,715,715.89/12,829,239.59
  6. Step 6: Final answer
    x = 9,698,908.57

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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.