Home / 7,401,861.60-11,121,454.80-4,707,477.60

Finding the Fourth Proportional to 7,401,861.60, 11,121,454.80 and 4,707,477.60

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Solution

The fourth proportional to 7,401,861.60, 11,121,454.80 and 4,707,477.60 is: 7,073,085.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401,861.60 : 11,121,454.80 = 4,707,477.60 : x
  2. Step 2: Convert to fraction form
    7,401,861.60/11,121,454.80 = 4,707,477.60/x
  3. Step 3: Cross multiply
    7,401,861.60x = 11,121,454.80 × 4,707,477.60
  4. Step 4: Simplify right side
    7,401,861.60x = 52,353,999,350,412.48
  5. Step 5: Solve for x
    x = 52,353,999,350,412.48/7,401,861.60
  6. Step 6: Final answer
    x = 7,073,085.42

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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.