Home / 12,777,070.78-17,632,265.51-6,975,852.47

Finding the Fourth Proportional to 12,777,070.78, 17,632,265.51 and 6,975,852.47

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Solution

The fourth proportional to 12,777,070.78, 17,632,265.51 and 6,975,852.47 is: 9,626,626.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777,070.78 : 17,632,265.51 = 6,975,852.47 : x
  2. Step 2: Convert to fraction form
    12,777,070.78/17,632,265.51 = 6,975,852.47/x
  3. Step 3: Cross multiply
    12,777,070.78x = 17,632,265.51 × 6,975,852.47
  4. Step 4: Simplify right side
    12,777,070.78x = 123,000,082,786,588.70
  5. Step 5: Solve for x
    x = 123,000,082,786,588.70/12,777,070.78
  6. Step 6: Final answer
    x = 9,626,626.08

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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.