Home / 25,437,431.67-35,112,786.64-15,124,130.16

Finding the Fourth Proportional to 25,437,431.67, 35,112,786.64 and 15,124,130.16

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Solution

The fourth proportional to 25,437,431.67, 35,112,786.64 and 15,124,130.16 is: 20,876,728.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,437,431.67 : 35,112,786.64 = 15,124,130.16 : x
  2. Step 2: Convert to fraction form
    25,437,431.67/35,112,786.64 = 15,124,130.16/x
  3. Step 3: Cross multiply
    25,437,431.67x = 35,112,786.64 × 15,124,130.16
  4. Step 4: Simplify right side
    25,437,431.67x = 531,050,355,339,243.88
  5. Step 5: Solve for x
    x = 531,050,355,339,243.88/25,437,431.67
  6. Step 6: Final answer
    x = 20,876,728.53

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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.