Home / 12,883,154.24-17,778,973.92-7,082,180.80

Finding the Fourth Proportional to 12,883,154.24, 17,778,973.92 and 7,082,180.80

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Solution

The fourth proportional to 12,883,154.24, 17,778,973.92 and 7,082,180.80 is: 9,773,531.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,883,154.24 : 17,778,973.92 = 7,082,180.80 : x
  2. Step 2: Convert to fraction form
    12,883,154.24/17,778,973.92 = 7,082,180.80/x
  3. Step 3: Cross multiply
    12,883,154.24x = 17,778,973.92 × 7,082,180.80
  4. Step 4: Simplify right side
    12,883,154.24x = 125,913,907,739,924.75
  5. Step 5: Solve for x
    x = 125,913,907,739,924.75/12,883,154.24
  6. Step 6: Final answer
    x = 9,773,531.03

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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.