Home / 15,771,857.58-21,473,194.86-15,723,277.02

Finding the Fourth Proportional to 15,771,857.58, 21,473,194.86 and 15,723,277.02

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Solution

The fourth proportional to 15,771,857.58, 21,473,194.86 and 15,723,277.02 is: 21,407,053.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,771,857.58 : 21,473,194.86 = 15,723,277.02 : x
  2. Step 2: Convert to fraction form
    15,771,857.58/21,473,194.86 = 15,723,277.02/x
  3. Step 3: Cross multiply
    15,771,857.58x = 21,473,194.86 × 15,723,277.02
  4. Step 4: Simplify right side
    15,771,857.58x = 337,628,991,288,220.12
  5. Step 5: Solve for x
    x = 337,628,991,288,220.12/15,771,857.58
  6. Step 6: Final answer
    x = 21,407,053.01

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.