Home / 21,137,525.36-29,171,583.96-11,971,798.64

Finding the Fourth Proportional to 21,137,525.36, 29,171,583.96 and 11,971,798.64

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Solution

The fourth proportional to 21,137,525.36, 29,171,583.96 and 11,971,798.64 is: 16,522,101.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,137,525.36 : 29,171,583.96 = 11,971,798.64 : x
  2. Step 2: Convert to fraction form
    21,137,525.36/29,171,583.96 = 11,971,798.64/x
  3. Step 3: Cross multiply
    21,137,525.36x = 29,171,583.96 × 11,971,798.64
  4. Step 4: Simplify right side
    21,137,525.36x = 349,236,329,178,973.81
  5. Step 5: Solve for x
    x = 349,236,329,178,973.81/21,137,525.36
  6. Step 6: Final answer
    x = 16,522,101.01

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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.