Home / 12,475,413.60-18,719,341.20-7,088,200.80

Finding the Fourth Proportional to 12,475,413.60, 18,719,341.20 and 7,088,200.80

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Solution

The fourth proportional to 12,475,413.60, 18,719,341.20 and 7,088,200.80 is: 10,635,835.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475,413.60 : 18,719,341.20 = 7,088,200.80 : x
  2. Step 2: Convert to fraction form
    12,475,413.60/18,719,341.20 = 7,088,200.80/x
  3. Step 3: Cross multiply
    12,475,413.60x = 18,719,341.20 × 7,088,200.80
  4. Step 4: Simplify right side
    12,475,413.60x = 132,686,449,269,312.95
  5. Step 5: Solve for x
    x = 132,686,449,269,312.95/12,475,413.60
  6. Step 6: Final answer
    x = 10,635,835.69

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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.