Home / 21,412,500.24-29,549,276.64-11,622,938.88

Finding the Fourth Proportional to 21,412,500.24, 29,549,276.64 and 11,622,938.88

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Solution

The fourth proportional to 21,412,500.24, 29,549,276.64 and 11,622,938.88 is: 16,039,669.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,412,500.24 : 29,549,276.64 = 11,622,938.88 : x
  2. Step 2: Convert to fraction form
    21,412,500.24/29,549,276.64 = 11,622,938.88/x
  3. Step 3: Cross multiply
    21,412,500.24x = 29,549,276.64 × 11,622,938.88
  4. Step 4: Simplify right side
    21,412,500.24x = 343,449,436,334,931.81
  5. Step 5: Solve for x
    x = 343,449,436,334,931.81/21,412,500.24
  6. Step 6: Final answer
    x = 16,039,669.94

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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.