Home / 7,180,606.36-9,909,189.15-4,083,129.94

Finding the Fourth Proportional to 7,180,606.36, 9,909,189.15 and 4,083,129.94

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Solution

The fourth proportional to 7,180,606.36, 9,909,189.15 and 4,083,129.94 is: 5,634,692.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180,606.36 : 9,909,189.15 = 4,083,129.94 : x
  2. Step 2: Convert to fraction form
    7,180,606.36/9,909,189.15 = 4,083,129.94/x
  3. Step 3: Cross multiply
    7,180,606.36x = 9,909,189.15 × 4,083,129.94
  4. Step 4: Simplify right side
    7,180,606.36x = 40,460,506,876,442.77
  5. Step 5: Solve for x
    x = 40,460,506,876,442.77/7,180,606.36
  6. Step 6: Final answer
    x = 5,634,692.23

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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.