Home / 19,008,620.40-28,512,930.60-5,361,740.40

Finding the Fourth Proportional to 19,008,620.40, 28,512,930.60 and 5,361,740.40

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Solution

The fourth proportional to 19,008,620.40, 28,512,930.60 and 5,361,740.40 is: 8,042,610.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,620.40 : 28,512,930.60 = 5,361,740.40 : x
  2. Step 2: Convert to fraction form
    19,008,620.40/28,512,930.60 = 5,361,740.40/x
  3. Step 3: Cross multiply
    19,008,620.40x = 28,512,930.60 × 5,361,740.40
  4. Step 4: Simplify right side
    19,008,620.40x = 152,878,931,920,416.25
  5. Step 5: Solve for x
    x = 152,878,931,920,416.25/19,008,620.40
  6. Step 6: Final answer
    x = 8,042,610.60

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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.