Home / 14,292,031.20-21,438,046.80-8,245,413.60

Finding the Fourth Proportional to 14,292,031.20, 21,438,046.80 and 8,245,413.60

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Solution

The fourth proportional to 14,292,031.20, 21,438,046.80 and 8,245,413.60 is: 12,368,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,292,031.20 : 21,438,046.80 = 8,245,413.60 : x
  2. Step 2: Convert to fraction form
    14,292,031.20/21,438,046.80 = 8,245,413.60/x
  3. Step 3: Cross multiply
    14,292,031.20x = 21,438,046.80 × 8,245,413.60
  4. Step 4: Simplify right side
    14,292,031.20x = 176,765,562,642,156.47
  5. Step 5: Solve for x
    x = 176,765,562,642,156.47/14,292,031.20
  6. Step 6: Final answer
    x = 12,368,120.40

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1.5x scale

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.