Home / 7,009,879.30-10,515,803.10-2,217,068.80

Finding the Fourth Proportional to 7,009,879.30, 10,515,803.10 and 2,217,068.80

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Solution

The fourth proportional to 7,009,879.30, 10,515,803.10 and 2,217,068.80 is: 3,325,914.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009,879.30 : 10,515,803.10 = 2,217,068.80 : x
  2. Step 2: Convert to fraction form
    7,009,879.30/10,515,803.10 = 2,217,068.80/x
  3. Step 3: Cross multiply
    7,009,879.30x = 10,515,803.10 × 2,217,068.80
  4. Step 4: Simplify right side
    7,009,879.30x = 23,314,258,959,953.28
  5. Step 5: Solve for x
    x = 23,314,258,959,953.28/7,009,879.30
  6. Step 6: Final answer
    x = 3,325,914.46

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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.