Home / 19,223,370.98-28,831,804.15-5,387,145.32

Finding the Fourth Proportional to 19,223,370.98, 28,831,804.15 and 5,387,145.32

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Solution

The fourth proportional to 19,223,370.98, 28,831,804.15 and 5,387,145.32 is: 8,079,806.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,223,370.98 : 28,831,804.15 = 5,387,145.32 : x
  2. Step 2: Convert to fraction form
    19,223,370.98/28,831,804.15 = 5,387,145.32/x
  3. Step 3: Cross multiply
    19,223,370.98x = 28,831,804.15 × 5,387,145.32
  4. Step 4: Simplify right side
    19,223,370.98x = 155,321,118,700,362.72
  5. Step 5: Solve for x
    x = 155,321,118,700,362.72/19,223,370.98
  6. Step 6: Final answer
    x = 8,079,806.55

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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.