Home / 12,997,163.64-17,937,288.96-7,195,945.34

Finding the Fourth Proportional to 12,997,163.64, 17,937,288.96 and 7,195,945.34

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Solution

The fourth proportional to 12,997,163.64, 17,937,288.96 and 7,195,945.34 is: 9,931,070.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997,163.64 : 17,937,288.96 = 7,195,945.34 : x
  2. Step 2: Convert to fraction form
    12,997,163.64/17,937,288.96 = 7,195,945.34/x
  3. Step 3: Cross multiply
    12,997,163.64x = 17,937,288.96 × 7,195,945.34
  4. Step 4: Simplify right side
    12,997,163.64x = 129,075,750,903,945.45
  5. Step 5: Solve for x
    x = 129,075,750,903,945.45/12,997,163.64
  6. Step 6: Final answer
    x = 9,931,070.69

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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.