Home / 21,424,101.58-29,565,168.74-11,634,477.22

Finding the Fourth Proportional to 21,424,101.58, 29,565,168.74 and 11,634,477.22

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Solution

The fourth proportional to 21,424,101.58, 29,565,168.74 and 11,634,477.22 is: 16,055,528.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,424,101.58 : 29,565,168.74 = 11,634,477.22 : x
  2. Step 2: Convert to fraction form
    21,424,101.58/29,565,168.74 = 11,634,477.22/x
  3. Step 3: Cross multiply
    21,424,101.58x = 29,565,168.74 × 11,634,477.22
  4. Step 4: Simplify right side
    21,424,101.58x = 343,975,282,210,986.12
  5. Step 5: Solve for x
    x = 343,975,282,210,986.12/21,424,101.58
  6. Step 6: Final answer
    x = 16,055,528.91

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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.