Home / 12,996,090.90-17,933,923.53-7,114,597.56

Finding the Fourth Proportional to 12,996,090.90, 17,933,923.53 and 7,114,597.56

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Solution

The fourth proportional to 12,996,090.90, 17,933,923.53 and 7,114,597.56 is: 9,817,771.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,996,090.90 : 17,933,923.53 = 7,114,597.56 : x
  2. Step 2: Convert to fraction form
    12,996,090.90/17,933,923.53 = 7,114,597.56/x
  3. Step 3: Cross multiply
    12,996,090.90x = 17,933,923.53 × 7,114,597.56
  4. Step 4: Simplify right side
    12,996,090.90x = 127,592,648,587,764.59
  5. Step 5: Solve for x
    x = 127,592,648,587,764.59/12,996,090.90
  6. Step 6: Final answer
    x = 9,817,771.33

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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.