Home / 13,009,977.70-17,953,751.64-7,209,135.16

Finding the Fourth Proportional to 13,009,977.70, 17,953,751.64 and 7,209,135.16

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Solution

The fourth proportional to 13,009,977.70, 17,953,751.64 and 7,209,135.16 is: 9,948,596.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009,977.70 : 17,953,751.64 = 7,209,135.16 : x
  2. Step 2: Convert to fraction form
    13,009,977.70/17,953,751.64 = 7,209,135.16/x
  3. Step 3: Cross multiply
    13,009,977.70x = 17,953,751.64 × 7,209,135.16
  4. Step 4: Simplify right side
    13,009,977.70x = 129,431,022,201,831.67
  5. Step 5: Solve for x
    x = 129,431,022,201,831.67/13,009,977.70
  6. Step 6: Final answer
    x = 9,948,596.78

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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.