Home / 12,884,467.07-17,780,904.05-7,083,394.89

Finding the Fourth Proportional to 12,884,467.07, 17,780,904.05 and 7,083,394.89

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Solution

The fourth proportional to 12,884,467.07, 17,780,904.05 and 7,083,394.89 is: 9,775,271.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884,467.07 : 17,780,904.05 = 7,083,394.89 : x
  2. Step 2: Convert to fraction form
    12,884,467.07/17,780,904.05 = 7,083,394.89/x
  3. Step 3: Cross multiply
    12,884,467.07x = 17,780,904.05 × 7,083,394.89
  4. Step 4: Simplify right side
    12,884,467.07x = 125,949,164,851,933.34
  5. Step 5: Solve for x
    x = 125,949,164,851,933.34/12,884,467.07
  6. Step 6: Final answer
    x = 9,775,271.59

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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.