Home / 10,173,740.80-15,278,325.90-5,390,771.80

Finding the Fourth Proportional to 10,173,740.80, 15,278,325.90 and 5,390,771.80

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Solution

The fourth proportional to 10,173,740.80, 15,278,325.90 and 5,390,771.80 is: 8,095,544.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,173,740.80 : 15,278,325.90 = 5,390,771.80 : x
  2. Step 2: Convert to fraction form
    10,173,740.80/15,278,325.90 = 5,390,771.80/x
  3. Step 3: Cross multiply
    10,173,740.80x = 15,278,325.90 × 5,390,771.80
  4. Step 4: Simplify right side
    10,173,740.80x = 82,361,968,412,929.62
  5. Step 5: Solve for x
    x = 82,361,968,412,929.62/10,173,740.80
  6. Step 6: Final answer
    x = 8,095,544.21

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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.