Home / 35,179,955.40-52,769,933.10-12,457,900.20

Finding the Fourth Proportional to 35,179,955.40, 52,769,933.10 and 12,457,900.20

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Solution

The fourth proportional to 35,179,955.40, 52,769,933.10 and 12,457,900.20 is: 18,686,850.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,179,955.40 : 52,769,933.10 = 12,457,900.20 : x
  2. Step 2: Convert to fraction form
    35,179,955.40/52,769,933.10 = 12,457,900.20/x
  3. Step 3: Cross multiply
    35,179,955.40x = 52,769,933.10 × 12,457,900.20
  4. Step 4: Simplify right side
    35,179,955.40x = 657,402,560,120,476.62
  5. Step 5: Solve for x
    x = 657,402,560,120,476.62/35,179,955.40
  6. Step 6: Final answer
    x = 18,686,850.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.