Home / 25,555,516.12-35,266,130.14-15,631,668.64

Finding the Fourth Proportional to 25,555,516.12, 35,266,130.14 and 15,631,668.64

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Solution

The fourth proportional to 25,555,516.12, 35,266,130.14 and 15,631,668.64 is: 21,571,407.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,555,516.12 : 35,266,130.14 = 15,631,668.64 : x
  2. Step 2: Convert to fraction form
    25,555,516.12/35,266,130.14 = 15,631,668.64/x
  3. Step 3: Cross multiply
    25,555,516.12x = 35,266,130.14 × 15,631,668.64
  4. Step 4: Simplify right side
    25,555,516.12x = 551,268,460,563,596.81
  5. Step 5: Solve for x
    x = 551,268,460,563,596.81/25,555,516.12
  6. Step 6: Final answer
    x = 21,571,407.83

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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.