Home / 13,086,980.08-18,059,679.67-7,285,762.33

Finding the Fourth Proportional to 13,086,980.08, 18,059,679.67 and 7,285,762.33

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Solution

The fourth proportional to 13,086,980.08, 18,059,679.67 and 7,285,762.33 is: 10,054,155.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,086,980.08 : 18,059,679.67 = 7,285,762.33 : x
  2. Step 2: Convert to fraction form
    13,086,980.08/18,059,679.67 = 7,285,762.33/x
  3. Step 3: Cross multiply
    13,086,980.08x = 18,059,679.67 × 7,285,762.33
  4. Step 4: Simplify right side
    13,086,980.08x = 131,578,533,831,552.84
  5. Step 5: Solve for x
    x = 131,578,533,831,552.84/13,086,980.08
  6. Step 6: Final answer
    x = 10,054,155.58

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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.