Home / 13,492,313.55-18,619,417.20-7,380,742.05

Finding the Fourth Proportional to 13,492,313.55, 18,619,417.20 and 7,380,742.05

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Solution

The fourth proportional to 13,492,313.55, 18,619,417.20 and 7,380,742.05 is: 10,185,437.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492,313.55 : 18,619,417.20 = 7,380,742.05 : x
  2. Step 2: Convert to fraction form
    13,492,313.55/18,619,417.20 = 7,380,742.05/x
  3. Step 3: Cross multiply
    13,492,313.55x = 18,619,417.20 × 7,380,742.05
  4. Step 4: Simplify right side
    13,492,313.55x = 137,425,115,474,533.25
  5. Step 5: Solve for x
    x = 137,425,115,474,533.25/13,492,313.55
  6. Step 6: Final answer
    x = 10,185,437.43

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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.