Home / 9,489,506.40-13,095,738.72-5,415,504.48

Finding the Fourth Proportional to 9,489,506.40, 13,095,738.72 and 5,415,504.48

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Solution

The fourth proportional to 9,489,506.40, 13,095,738.72 and 5,415,504.48 is: 7,473,521.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489,506.40 : 13,095,738.72 = 5,415,504.48 : x
  2. Step 2: Convert to fraction form
    9,489,506.40/13,095,738.72 = 5,415,504.48/x
  3. Step 3: Cross multiply
    9,489,506.40x = 13,095,738.72 × 5,415,504.48
  4. Step 4: Simplify right side
    9,489,506.40x = 70,920,031,707,069.47
  5. Step 5: Solve for x
    x = 70,920,031,707,069.47/9,489,506.40
  6. Step 6: Final answer
    x = 7,473,521.67

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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.