Home / 10,358,413.40-15,537,620.10-8,764,090.40

Finding the Fourth Proportional to 10,358,413.40, 15,537,620.10 and 8,764,090.40

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Solution

The fourth proportional to 10,358,413.40, 15,537,620.10 and 8,764,090.40 is: 13,146,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358,413.40 : 15,537,620.10 = 8,764,090.40 : x
  2. Step 2: Convert to fraction form
    10,358,413.40/15,537,620.10 = 8,764,090.40/x
  3. Step 3: Cross multiply
    10,358,413.40x = 15,537,620.10 × 8,764,090.40
  4. Step 4: Simplify right side
    10,358,413.40x = 136,173,107,157,257.05
  5. Step 5: Solve for x
    x = 136,173,107,157,257.05/10,358,413.40
  6. Step 6: Final answer
    x = 13,146,135.60

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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.