Home / 12,145,030.60-18,220,739.79-4,364,730.28

Finding the Fourth Proportional to 12,145,030.60, 18,220,739.79 and 4,364,730.28

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Solution

The fourth proportional to 12,145,030.60, 18,220,739.79 and 4,364,730.28 is: 6,548,243.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,145,030.60 : 18,220,739.79 = 4,364,730.28 : x
  2. Step 2: Convert to fraction form
    12,145,030.60/18,220,739.79 = 4,364,730.28/x
  3. Step 3: Cross multiply
    12,145,030.60x = 18,220,739.79 × 4,364,730.28
  4. Step 4: Simplify right side
    12,145,030.60x = 79,528,614,685,413.84
  5. Step 5: Solve for x
    x = 79,528,614,685,413.84/12,145,030.60
  6. Step 6: Final answer
    x = 6,548,243.25

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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.