Home / 13,506,308.16-20,256,986.88-3,658,561.44

Finding the Fourth Proportional to 13,506,308.16, 20,256,986.88 and 3,658,561.44

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Solution

The fourth proportional to 13,506,308.16, 20,256,986.88 and 3,658,561.44 is: 5,487,171.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,506,308.16 : 20,256,986.88 = 3,658,561.44 : x
  2. Step 2: Convert to fraction form
    13,506,308.16/20,256,986.88 = 3,658,561.44/x
  3. Step 3: Cross multiply
    13,506,308.16x = 20,256,986.88 × 3,658,561.44
  4. Step 4: Simplify right side
    13,506,308.16x = 74,111,431,089,753.91
  5. Step 5: Solve for x
    x = 74,111,431,089,753.91/13,506,308.16
  6. Step 6: Final answer
    x = 5,487,171.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.