Home / 13,580,724.24-20,370,790.44-6,388,271.46

Finding the Fourth Proportional to 13,580,724.24, 20,370,790.44 and 6,388,271.46

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Solution

The fourth proportional to 13,580,724.24, 20,370,790.44 and 6,388,271.46 is: 9,582,267.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,580,724.24 : 20,370,790.44 = 6,388,271.46 : x
  2. Step 2: Convert to fraction form
    13,580,724.24/20,370,790.44 = 6,388,271.46/x
  3. Step 3: Cross multiply
    13,580,724.24x = 20,370,790.44 × 6,388,271.46
  4. Step 4: Simplify right side
    13,580,724.24x = 130,134,139,185,492.84
  5. Step 5: Solve for x
    x = 130,134,139,185,492.84/13,580,724.24
  6. Step 6: Final answer
    x = 9,582,267.99

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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.