Home / 13,207,803.03-19,811,507.60-4,578,185.34

Finding the Fourth Proportional to 13,207,803.03, 19,811,507.60 and 4,578,185.34

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Solution

The fourth proportional to 13,207,803.03, 19,811,507.60 and 4,578,185.34 is: 6,867,209.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207,803.03 : 19,811,507.60 = 4,578,185.34 : x
  2. Step 2: Convert to fraction form
    13,207,803.03/19,811,507.60 = 4,578,185.34/x
  3. Step 3: Cross multiply
    13,207,803.03x = 19,811,507.60 × 4,578,185.34
  4. Step 4: Simplify right side
    13,207,803.03x = 90,700,753,643,311.75
  5. Step 5: Solve for x
    x = 90,700,753,643,311.75/13,207,803.03
  6. Step 6: Final answer
    x = 6,867,209.74

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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.