Home / 12,756,367.26-19,101,196.35-6,987,099.51

Finding the Fourth Proportional to 12,756,367.26, 19,101,196.35 and 6,987,099.51

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Solution

The fourth proportional to 12,756,367.26, 19,101,196.35 and 6,987,099.51 is: 10,462,379.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,756,367.26 : 19,101,196.35 = 6,987,099.51 : x
  2. Step 2: Convert to fraction form
    12,756,367.26/19,101,196.35 = 6,987,099.51/x
  3. Step 3: Cross multiply
    12,756,367.26x = 19,101,196.35 × 6,987,099.51
  4. Step 4: Simplify right side
    12,756,367.26x = 133,461,959,657,498.80
  5. Step 5: Solve for x
    x = 133,461,959,657,498.80/12,756,367.26
  6. Step 6: Final answer
    x = 10,462,379.84

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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.