Home / 18,427,182-25,426,361.88-10,690,450.80

Finding the Fourth Proportional to 18,427,182, 25,426,361.88 and 10,690,450.80

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Solution

The fourth proportional to 18,427,182, 25,426,361.88 and 10,690,450.80 is: 14,750,995.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427,182 : 25,426,361.88 = 10,690,450.80 : x
  2. Step 2: Convert to fraction form
    18,427,182/25,426,361.88 = 10,690,450.80/x
  3. Step 3: Cross multiply
    18,427,182x = 25,426,361.88 × 10,690,450.80
  4. Step 4: Simplify right side
    18,427,182x = 271,819,270,701,135.50
  5. Step 5: Solve for x
    x = 271,819,270,701,135.50/18,427,182
  6. Step 6: Final answer
    x = 14,750,995.06

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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.