Home / 12,790,172.07-17,650,483.34-6,988,953.69

Finding the Fourth Proportional to 12,790,172.07, 17,650,483.34 and 6,988,953.69

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Solution

The fourth proportional to 12,790,172.07, 17,650,483.34 and 6,988,953.69 is: 9,644,781.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,790,172.07 : 17,650,483.34 = 6,988,953.69 : x
  2. Step 2: Convert to fraction form
    12,790,172.07/17,650,483.34 = 6,988,953.69/x
  3. Step 3: Cross multiply
    12,790,172.07x = 17,650,483.34 × 6,988,953.69
  4. Step 4: Simplify right side
    12,790,172.07x = 123,358,410,634,431.77
  5. Step 5: Solve for x
    x = 123,358,410,634,431.77/12,790,172.07
  6. Step 6: Final answer
    x = 9,644,781.16

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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.