Home / 7,526,879.72-10,387,167-4,089,145.40

Finding the Fourth Proportional to 7,526,879.72, 10,387,167 and 4,089,145.40

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Solution

The fourth proportional to 7,526,879.72, 10,387,167 and 4,089,145.40 is: 5,643,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,526,879.72 : 10,387,167 = 4,089,145.40 : x
  2. Step 2: Convert to fraction form
    7,526,879.72/10,387,167 = 4,089,145.40/x
  3. Step 3: Cross multiply
    7,526,879.72x = 10,387,167 × 4,089,145.40
  4. Step 4: Simplify right side
    7,526,879.72x = 42,474,636,157,081.80
  5. Step 5: Solve for x
    x = 42,474,636,157,081.80/7,526,879.72
  6. Step 6: Final answer
    x = 5,643,060.30

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1.5x scale

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.