Home / 25,106,413.60-37,659,620.40-19,430,711.20

Finding the Fourth Proportional to 25,106,413.60, 37,659,620.40 and 19,430,711.20

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Solution

The fourth proportional to 25,106,413.60, 37,659,620.40 and 19,430,711.20 is: 29,146,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,106,413.60 : 37,659,620.40 = 19,430,711.20 : x
  2. Step 2: Convert to fraction form
    25,106,413.60/37,659,620.40 = 19,430,711.20/x
  3. Step 3: Cross multiply
    25,106,413.60x = 37,659,620.40 × 19,430,711.20
  4. Step 4: Simplify right side
    25,106,413.60x = 731,753,207,894,028.38
  5. Step 5: Solve for x
    x = 731,753,207,894,028.38/25,106,413.60
  6. Step 6: Final answer
    x = 29,146,066.80

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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.