Home / 12,830,308.88-17,705,820.10-7,673,670.32

Finding the Fourth Proportional to 12,830,308.88, 17,705,820.10 and 7,673,670.32

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Solution

The fourth proportional to 12,830,308.88, 17,705,820.10 and 7,673,670.32 is: 10,589,661.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,830,308.88 : 17,705,820.10 = 7,673,670.32 : x
  2. Step 2: Convert to fraction form
    12,830,308.88/17,705,820.10 = 7,673,670.32/x
  3. Step 3: Cross multiply
    12,830,308.88x = 17,705,820.10 × 7,673,670.32
  4. Step 4: Simplify right side
    12,830,308.88x = 135,868,626,192,629.45
  5. Step 5: Solve for x
    x = 135,868,626,192,629.45/12,830,308.88
  6. Step 6: Final answer
    x = 10,589,661.36

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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.