Home / 17,821,123.40-26,731,685.10-5,213,635.40

Finding the Fourth Proportional to 17,821,123.40, 26,731,685.10 and 5,213,635.40

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Solution

The fourth proportional to 17,821,123.40, 26,731,685.10 and 5,213,635.40 is: 7,820,453.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,821,123.40 : 26,731,685.10 = 5,213,635.40 : x
  2. Step 2: Convert to fraction form
    17,821,123.40/26,731,685.10 = 5,213,635.40/x
  3. Step 3: Cross multiply
    17,821,123.40x = 26,731,685.10 × 5,213,635.40
  4. Step 4: Simplify right side
    17,821,123.40x = 139,369,259,739,012.56
  5. Step 5: Solve for x
    x = 139,369,259,739,012.56/17,821,123.40
  6. Step 6: Final answer
    x = 7,820,453.10

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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.