Home / 13,257,422.04-18,303,647.90-9,078,100.60

Finding the Fourth Proportional to 13,257,422.04, 18,303,647.90 and 9,078,100.60

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Solution

The fourth proportional to 13,257,422.04, 18,303,647.90 and 9,078,100.60 is: 12,533,534.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257,422.04 : 18,303,647.90 = 9,078,100.60 : x
  2. Step 2: Convert to fraction form
    13,257,422.04/18,303,647.90 = 9,078,100.60/x
  3. Step 3: Cross multiply
    13,257,422.04x = 18,303,647.90 × 9,078,100.60
  4. Step 4: Simplify right side
    13,257,422.04x = 166,162,356,983,178.72
  5. Step 5: Solve for x
    x = 166,162,356,983,178.72/13,257,422.04
  6. Step 6: Final answer
    x = 12,533,534.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.