Home / 30,111,940.35-45,142,519.46-13,059,770.13

Finding the Fourth Proportional to 30,111,940.35, 45,142,519.46 and 13,059,770.13

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Solution

The fourth proportional to 30,111,940.35, 45,142,519.46 and 13,059,770.13 is: 19,578,642.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,111,940.35 : 45,142,519.46 = 13,059,770.13 : x
  2. Step 2: Convert to fraction form
    30,111,940.35/45,142,519.46 = 13,059,770.13/x
  3. Step 3: Cross multiply
    30,111,940.35x = 45,142,519.46 × 13,059,770.13
  4. Step 4: Simplify right side
    30,111,940.35x = 589,550,927,171,352.88
  5. Step 5: Solve for x
    x = 589,550,927,171,352.88/30,111,940.35
  6. Step 6: Final answer
    x = 19,578,642.90

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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.