Home / 7,000,778.11-9,661,016.59-3,903,264.67

Finding the Fourth Proportional to 7,000,778.11, 9,661,016.59 and 3,903,264.67

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Solution

The fourth proportional to 7,000,778.11, 9,661,016.59 and 3,903,264.67 is: 5,386,473.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000,778.11 : 9,661,016.59 = 3,903,264.67 : x
  2. Step 2: Convert to fraction form
    7,000,778.11/9,661,016.59 = 3,903,264.67/x
  3. Step 3: Cross multiply
    7,000,778.11x = 9,661,016.59 × 3,903,264.67
  4. Step 4: Simplify right side
    7,000,778.11x = 37,709,504,732,030.88
  5. Step 5: Solve for x
    x = 37,709,504,732,030.88/7,000,778.11
  6. Step 6: Final answer
    x = 5,386,473.35

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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.