Home / 21,837,202,918.10-30,133,043,312.03-12,679,941,745.83

Finding the Fourth Proportional to 21,837,202,918.10, 30,133,043,312.03 and 12,679,941,745.83

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Solution

The fourth proportional to 21,837,202,918.10, 30,133,043,312.03 and 12,679,941,745.83 is: 17,496,986,003.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,837,202,918.10 : 30,133,043,312.03 = 12,679,941,745.83 : x
  2. Step 2: Convert to fraction form
    21,837,202,918.10/30,133,043,312.03 = 12,679,941,745.83/x
  3. Step 3: Cross multiply
    21,837,202,918.10x = 30,133,043,312.03 × 12,679,941,745.83
  4. Step 4: Simplify right side
    21,837,202,918.10x = 382,085,233,821,241,114,624
  5. Step 5: Solve for x
    x = 382,085,233,821,241,114,624/21,837,202,918.10
  6. Step 6: Final answer
    x = 17,496,986,003.85

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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.