Home / 13,481,361.77-18,602,197.85-7,679,406.29

Finding the Fourth Proportional to 13,481,361.77, 18,602,197.85 and 7,679,406.29

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Solution

The fourth proportional to 13,481,361.77, 18,602,197.85 and 7,679,406.29 is: 10,596,395.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,481,361.77 : 18,602,197.85 = 7,679,406.29 : x
  2. Step 2: Convert to fraction form
    13,481,361.77/18,602,197.85 = 7,679,406.29/x
  3. Step 3: Cross multiply
    13,481,361.77x = 18,602,197.85 × 7,679,406.29
  4. Step 4: Simplify right side
    13,481,361.77x = 142,853,835,103,302
  5. Step 5: Solve for x
    x = 142,853,835,103,302/13,481,361.77
  6. Step 6: Final answer
    x = 10,596,395.05

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1.5x scale

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.