Home / 30,113,138.37-45,144,315.66-13,060,968.69

Finding the Fourth Proportional to 30,113,138.37, 45,144,315.66 and 13,060,968.69

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Solution

The fourth proportional to 30,113,138.37, 45,144,315.66 and 13,060,968.69 is: 19,580,439.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,113,138.37 : 45,144,315.66 = 13,060,968.69 : x
  2. Step 2: Convert to fraction form
    30,113,138.37/45,144,315.66 = 13,060,968.69/x
  3. Step 3: Cross multiply
    30,113,138.37x = 45,144,315.66 × 13,060,968.69
  4. Step 4: Simplify right side
    30,113,138.37x = 589,628,493,366,736.62
  5. Step 5: Solve for x
    x = 589,628,493,366,736.62/30,113,138.37
  6. Step 6: Final answer
    x = 19,580,439.81

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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.