Home / 13,106,065.12-18,086,453.76-7,305,214.60

Finding the Fourth Proportional to 13,106,065.12, 18,086,453.76 and 7,305,214.60

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Solution

The fourth proportional to 13,106,065.12, 18,086,453.76 and 7,305,214.60 is: 10,081,242.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106,065.12 : 18,086,453.76 = 7,305,214.60 : x
  2. Step 2: Convert to fraction form
    13,106,065.12/18,086,453.76 = 7,305,214.60/x
  3. Step 3: Cross multiply
    13,106,065.12x = 18,086,453.76 × 7,305,214.60
  4. Step 4: Simplify right side
    13,106,065.12x = 132,125,426,069,776.91
  5. Step 5: Solve for x
    x = 132,125,426,069,776.91/13,106,065.12
  6. Step 6: Final answer
    x = 10,081,242.91

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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.