Home / 9,879,716.80-14,819,575.20-4,200,126.40

Finding the Fourth Proportional to 9,879,716.80, 14,819,575.20 and 4,200,126.40

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Solution

The fourth proportional to 9,879,716.80, 14,819,575.20 and 4,200,126.40 is: 6,300,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,879,716.80 : 14,819,575.20 = 4,200,126.40 : x
  2. Step 2: Convert to fraction form
    9,879,716.80/14,819,575.20 = 4,200,126.40/x
  3. Step 3: Cross multiply
    9,879,716.80x = 14,819,575.20 × 4,200,126.40
  4. Step 4: Simplify right side
    9,879,716.80x = 62,244,089,034,305.28
  5. Step 5: Solve for x
    x = 62,244,089,034,305.28/9,879,716.80
  6. Step 6: Final answer
    x = 6,300,189.60

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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.