Home / 7,276,802.20-10,915,235.70-1,885,069.60

Finding the Fourth Proportional to 7,276,802.20, 10,915,235.70 and 1,885,069.60

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Solution

The fourth proportional to 7,276,802.20, 10,915,235.70 and 1,885,069.60 is: 2,827,612.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,276,802.20 : 10,915,235.70 = 1,885,069.60 : x
  2. Step 2: Convert to fraction form
    7,276,802.20/10,915,235.70 = 1,885,069.60/x
  3. Step 3: Cross multiply
    7,276,802.20x = 10,915,235.70 × 1,885,069.60
  4. Step 4: Simplify right side
    7,276,802.20x = 20,575,978,994,904.72
  5. Step 5: Solve for x
    x = 20,575,978,994,904.72/7,276,802.20
  6. Step 6: Final answer
    x = 2,827,612.79

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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.