Home / 30,618,137.76-45,927,271.44-28,747,465.44

Finding the Fourth Proportional to 30,618,137.76, 45,927,271.44 and 28,747,465.44

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Solution

The fourth proportional to 30,618,137.76, 45,927,271.44 and 28,747,465.44 is: 43,121,259.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,618,137.76 : 45,927,271.44 = 28,747,465.44 : x
  2. Step 2: Convert to fraction form
    30,618,137.76/45,927,271.44 = 28,747,465.44/x
  3. Step 3: Cross multiply
    30,618,137.76x = 45,927,271.44 × 28,747,465.44
  4. Step 4: Simplify right side
    30,618,137.76x = 1,320,292,648,474,899
  5. Step 5: Solve for x
    x = 1,320,292,648,474,899/30,618,137.76
  6. Step 6: Final answer
    x = 43,121,259.00

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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.