Home / 21,931,300.98-30,265,202.67-12,008,811.24

Finding the Fourth Proportional to 21,931,300.98, 30,265,202.67 and 12,008,811.24

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Solution

The fourth proportional to 21,931,300.98, 30,265,202.67 and 12,008,811.24 is: 16,572,163.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,931,300.98 : 30,265,202.67 = 12,008,811.24 : x
  2. Step 2: Convert to fraction form
    21,931,300.98/30,265,202.67 = 12,008,811.24/x
  3. Step 3: Cross multiply
    21,931,300.98x = 30,265,202.67 × 12,008,811.24
  4. Step 4: Simplify right side
    21,931,300.98x = 363,449,106,004,374.06
  5. Step 5: Solve for x
    x = 363,449,106,004,374.06/21,931,300.98
  6. Step 6: Final answer
    x = 16,572,163.52

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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.