Home / 20,316,075.95-28,034,804.60-11,149,309.19

Finding the Fourth Proportional to 20,316,075.95, 28,034,804.60 and 11,149,309.19

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Solution

The fourth proportional to 20,316,075.95, 28,034,804.60 and 11,149,309.19 is: 15,385,289.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,316,075.95 : 28,034,804.60 = 11,149,309.19 : x
  2. Step 2: Convert to fraction form
    20,316,075.95/28,034,804.60 = 11,149,309.19/x
  3. Step 3: Cross multiply
    20,316,075.95x = 28,034,804.60 × 11,149,309.19
  4. Step 4: Simplify right side
    20,316,075.95x = 312,568,704,622,784.69
  5. Step 5: Solve for x
    x = 312,568,704,622,784.69/20,316,075.95
  6. Step 6: Final answer
    x = 15,385,289.23

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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.