Home / 19,138,906.80-28,710,984.60-6,358,078.80

Finding the Fourth Proportional to 19,138,906.80, 28,710,984.60 and 6,358,078.80

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Solution

The fourth proportional to 19,138,906.80, 28,710,984.60 and 6,358,078.80 is: 9,537,990.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,138,906.80 : 28,710,984.60 = 6,358,078.80 : x
  2. Step 2: Convert to fraction form
    19,138,906.80/28,710,984.60 = 6,358,078.80/x
  3. Step 3: Cross multiply
    19,138,906.80x = 28,710,984.60 × 6,358,078.80
  4. Step 4: Simplify right side
    19,138,906.80x = 182,546,702,512,386.47
  5. Step 5: Solve for x
    x = 182,546,702,512,386.47/19,138,906.80
  6. Step 6: Final answer
    x = 9,537,990.04

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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.