Home / 10,358,413.90-15,537,620.85-8,764,090.90

Finding the Fourth Proportional to 10,358,413.90, 15,537,620.85 and 8,764,090.90

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Solution

The fourth proportional to 10,358,413.90, 15,537,620.85 and 8,764,090.90 is: 13,146,136.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358,413.90 : 15,537,620.85 = 8,764,090.90 : x
  2. Step 2: Convert to fraction form
    10,358,413.90/15,537,620.85 = 8,764,090.90/x
  3. Step 3: Cross multiply
    10,358,413.90x = 15,537,620.85 × 8,764,090.90
  4. Step 4: Simplify right side
    10,358,413.90x = 136,173,121,499,135.27
  5. Step 5: Solve for x
    x = 136,173,121,499,135.27/10,358,413.90
  6. Step 6: Final answer
    x = 13,146,136.35

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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.