Home / 42,065,447.70-63,091,856.19-13,307,846.52

Finding the Fourth Proportional to 42,065,447.70, 63,091,856.19 and 13,307,846.52

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Solution

The fourth proportional to 42,065,447.70, 63,091,856.19 and 13,307,846.52 is: 19,959,771.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,065,447.70 : 63,091,856.19 = 13,307,846.52 : x
  2. Step 2: Convert to fraction form
    42,065,447.70/63,091,856.19 = 13,307,846.52/x
  3. Step 3: Cross multiply
    42,065,447.70x = 63,091,856.19 × 13,307,846.52
  4. Step 4: Simplify right side
    42,065,447.70x = 839,616,738,838,431.88
  5. Step 5: Solve for x
    x = 839,616,738,838,431.88/42,065,447.70
  6. Step 6: Final answer
    x = 19,959,771.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.