Home / 28,515,829.22-39,351,807.78-15,463,066.22

Finding the Fourth Proportional to 28,515,829.22, 39,351,807.78 and 15,463,066.22

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Solution

The fourth proportional to 28,515,829.22, 39,351,807.78 and 15,463,066.22 is: 21,339,011.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,515,829.22 : 39,351,807.78 = 15,463,066.22 : x
  2. Step 2: Convert to fraction form
    28,515,829.22/39,351,807.78 = 15,463,066.22/x
  3. Step 3: Cross multiply
    28,515,829.22x = 39,351,807.78 × 15,463,066.22
  4. Step 4: Simplify right side
    28,515,829.22x = 608,499,609,578,851.25
  5. Step 5: Solve for x
    x = 608,499,609,578,851.25/28,515,829.22
  6. Step 6: Final answer
    x = 21,339,011.57

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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.