Home / 13,013,427.78-17,958,529.98-7,213,080.96

Finding the Fourth Proportional to 13,013,427.78, 17,958,529.98 and 7,213,080.96

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Solution

The fourth proportional to 13,013,427.78, 17,958,529.98 and 7,213,080.96 is: 9,954,051.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013,427.78 : 17,958,529.98 = 7,213,080.96 : x
  2. Step 2: Convert to fraction form
    13,013,427.78/17,958,529.98 = 7,213,080.96/x
  3. Step 3: Cross multiply
    13,013,427.78x = 17,958,529.98 × 7,213,080.96
  4. Step 4: Simplify right side
    13,013,427.78x = 129,536,330,668,327.19
  5. Step 5: Solve for x
    x = 129,536,330,668,327.19/13,013,427.78
  6. Step 6: Final answer
    x = 9,954,051.53

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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.