Home / 31,205,130.63-43,059,307.19-17,978,634.56

Finding the Fourth Proportional to 31,205,130.63, 43,059,307.19 and 17,978,634.56

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Solution

The fourth proportional to 31,205,130.63, 43,059,307.19 and 17,978,634.56 is: 24,808,341.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,205,130.63 : 43,059,307.19 = 17,978,634.56 : x
  2. Step 2: Convert to fraction form
    31,205,130.63/43,059,307.19 = 17,978,634.56/x
  3. Step 3: Cross multiply
    31,205,130.63x = 43,059,307.19 × 17,978,634.56
  4. Step 4: Simplify right side
    31,205,130.63x = 774,147,548,070,600.75
  5. Step 5: Solve for x
    x = 774,147,548,070,600.75/31,205,130.63
  6. Step 6: Final answer
    x = 24,808,341.85

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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.