Home / 13,290,608.94-18,341,037.51-7,179,037.50

Finding the Fourth Proportional to 13,290,608.94, 18,341,037.51 and 7,179,037.50

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Solution

The fourth proportional to 13,290,608.94, 18,341,037.51 and 7,179,037.50 is: 9,907,070.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,290,608.94 : 18,341,037.51 = 7,179,037.50 : x
  2. Step 2: Convert to fraction form
    13,290,608.94/18,341,037.51 = 7,179,037.50/x
  3. Step 3: Cross multiply
    13,290,608.94x = 18,341,037.51 × 7,179,037.50
  4. Step 4: Simplify right side
    13,290,608.94x = 131,670,996,073,196.64
  5. Step 5: Solve for x
    x = 131,670,996,073,196.64/13,290,608.94
  6. Step 6: Final answer
    x = 9,907,070.22

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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.