Home / 19,178,947.74-28,768,671-6,399,452.46

Finding the Fourth Proportional to 19,178,947.74, 28,768,671 and 6,399,452.46

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Solution

The fourth proportional to 19,178,947.74, 28,768,671 and 6,399,452.46 is: 9,599,261.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178,947.74 : 28,768,671 = 6,399,452.46 : x
  2. Step 2: Convert to fraction form
    19,178,947.74/28,768,671 = 6,399,452.46/x
  3. Step 3: Cross multiply
    19,178,947.74x = 28,768,671 × 6,399,452.46
  4. Step 4: Simplify right side
    19,178,947.74x = 184,103,742,401,880.66
  5. Step 5: Solve for x
    x = 184,103,742,401,880.66/19,178,947.74
  6. Step 6: Final answer
    x = 9,599,261.90

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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.