Home / 7,180,739.30-9,909,373.14-4,083,263.18

Finding the Fourth Proportional to 7,180,739.30, 9,909,373.14 and 4,083,263.18

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Solution

The fourth proportional to 7,180,739.30, 9,909,373.14 and 4,083,263.18 is: 5,634,876.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180,739.30 : 9,909,373.14 = 4,083,263.18 : x
  2. Step 2: Convert to fraction form
    7,180,739.30/9,909,373.14 = 4,083,263.18/x
  3. Step 3: Cross multiply
    7,180,739.30x = 9,909,373.14 × 4,083,263.18
  4. Step 4: Simplify right side
    7,180,739.30x = 40,462,578,479,442.99
  5. Step 5: Solve for x
    x = 40,462,578,479,442.99/7,180,739.30
  6. Step 6: Final answer
    x = 5,634,876.41

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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.