Home / 13,111,906.85-18,094,655.81-7,232,216.21

Finding the Fourth Proportional to 13,111,906.85, 18,094,655.81 and 7,232,216.21

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Solution

The fourth proportional to 13,111,906.85, 18,094,655.81 and 7,232,216.21 is: 9,980,582.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,111,906.85 : 18,094,655.81 = 7,232,216.21 : x
  2. Step 2: Convert to fraction form
    13,111,906.85/18,094,655.81 = 7,232,216.21/x
  3. Step 3: Cross multiply
    13,111,906.85x = 18,094,655.81 × 7,232,216.21
  4. Step 4: Simplify right side
    13,111,906.85x = 130,864,463,027,291.59
  5. Step 5: Solve for x
    x = 130,864,463,027,291.59/13,111,906.85
  6. Step 6: Final answer
    x = 9,980,582.12

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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.