Home / 13,310,075.51-18,367,904.21-7,198,504.01

Finding the Fourth Proportional to 13,310,075.51, 18,367,904.21 and 7,198,504.01

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Solution

The fourth proportional to 13,310,075.51, 18,367,904.21 and 7,198,504.01 is: 9,933,935.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310,075.51 : 18,367,904.21 = 7,198,504.01 : x
  2. Step 2: Convert to fraction form
    13,310,075.51/18,367,904.21 = 7,198,504.01/x
  3. Step 3: Cross multiply
    13,310,075.51x = 18,367,904.21 × 7,198,504.01
  4. Step 4: Simplify right side
    13,310,075.51x = 132,221,432,110,980.89
  5. Step 5: Solve for x
    x = 132,221,432,110,980.89/13,310,075.51
  6. Step 6: Final answer
    x = 9,933,935.54

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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.