Home / 13,549,318.16-18,698,078.70-7,354,369.64

Finding the Fourth Proportional to 13,549,318.16, 18,698,078.70 and 7,354,369.64

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Solution

The fourth proportional to 13,549,318.16, 18,698,078.70 and 7,354,369.64 is: 10,149,040.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549,318.16 : 18,698,078.70 = 7,354,369.64 : x
  2. Step 2: Convert to fraction form
    13,549,318.16/18,698,078.70 = 7,354,369.64/x
  3. Step 3: Cross multiply
    13,549,318.16x = 18,698,078.70 × 7,354,369.64
  4. Step 4: Simplify right side
    13,549,318.16x = 137,512,582,317,610.66
  5. Step 5: Solve for x
    x = 137,512,582,317,610.66/13,549,318.16
  6. Step 6: Final answer
    x = 10,149,040.76

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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.