Home / 12,603,069.20-18,909,852.60-4,086,016.40

Finding the Fourth Proportional to 12,603,069.20, 18,909,852.60 and 4,086,016.40

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Solution

The fourth proportional to 12,603,069.20, 18,909,852.60 and 4,086,016.40 is: 6,130,726.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,603,069.20 : 18,909,852.60 = 4,086,016.40 : x
  2. Step 2: Convert to fraction form
    12,603,069.20/18,909,852.60 = 4,086,016.40/x
  3. Step 3: Cross multiply
    12,603,069.20x = 18,909,852.60 × 4,086,016.40
  4. Step 4: Simplify right side
    12,603,069.20x = 77,265,967,845,182.64
  5. Step 5: Solve for x
    x = 77,265,967,845,182.64/12,603,069.20
  6. Step 6: Final answer
    x = 6,130,726.30

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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.