Home / 12,912,448.60-19,347,413.28-9,022,300.48

Finding the Fourth Proportional to 12,912,448.60, 19,347,413.28 and 9,022,300.48

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Solution

The fourth proportional to 12,912,448.60, 19,347,413.28 and 9,022,300.48 is: 13,518,596.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,912,448.60 : 19,347,413.28 = 9,022,300.48 : x
  2. Step 2: Convert to fraction form
    12,912,448.60/19,347,413.28 = 9,022,300.48/x
  3. Step 3: Cross multiply
    12,912,448.60x = 19,347,413.28 × 9,022,300.48
  4. Step 4: Simplify right side
    12,912,448.60x = 174,558,176,122,902.41
  5. Step 5: Solve for x
    x = 174,558,176,122,902.41/12,912,448.60
  6. Step 6: Final answer
    x = 13,518,596.01

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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.