Home / 13,447,639.86-18,556,312-7,567,171.34

Finding the Fourth Proportional to 13,447,639.86, 18,556,312 and 7,567,171.34

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Solution

The fourth proportional to 13,447,639.86, 18,556,312 and 7,567,171.34 is: 10,441,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,447,639.86 : 18,556,312 = 7,567,171.34 : x
  2. Step 2: Convert to fraction form
    13,447,639.86/18,556,312 = 7,567,171.34/x
  3. Step 3: Cross multiply
    13,447,639.86x = 18,556,312 × 7,567,171.34
  4. Step 4: Simplify right side
    13,447,639.86x = 140,418,792,342,498.08
  5. Step 5: Solve for x
    x = 140,418,792,342,498.08/13,447,639.86
  6. Step 6: Final answer
    x = 10,441,891.20

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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.