Home / 7,115,731.76-9,819,590.87-3,852,520.00

Finding the Fourth Proportional to 7,115,731.76, 9,819,590.87 and 3,852,520.00

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Solution

The fourth proportional to 7,115,731.76, 9,819,590.87 and 3,852,520.00 is: 5,316,413.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115,731.76 : 9,819,590.87 = 3,852,520.00 : x
  2. Step 2: Convert to fraction form
    7,115,731.76/9,819,590.87 = 3,852,520.00/x
  3. Step 3: Cross multiply
    7,115,731.76x = 9,819,590.87 × 3,852,520.00
  4. Step 4: Simplify right side
    7,115,731.76x = 37,830,170,203,574.73
  5. Step 5: Solve for x
    x = 37,830,170,203,574.73/7,115,731.76
  6. Step 6: Final answer
    x = 5,316,413.19

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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.