Home / 28,563,295.88-39,417,205.56-15,510,438.56

Finding the Fourth Proportional to 28,563,295.88, 39,417,205.56 and 15,510,438.56

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Solution

The fourth proportional to 28,563,295.88, 39,417,205.56 and 15,510,438.56 is: 21,404,327.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,563,295.88 : 39,417,205.56 = 15,510,438.56 : x
  2. Step 2: Convert to fraction form
    28,563,295.88/39,417,205.56 = 15,510,438.56/x
  3. Step 3: Cross multiply
    28,563,295.88x = 39,417,205.56 × 15,510,438.56
  4. Step 4: Simplify right side
    28,563,295.88x = 611,378,145,045,270.50
  5. Step 5: Solve for x
    x = 611,378,145,045,270.50/28,563,295.88
  6. Step 6: Final answer
    x = 21,404,327.69

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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.