Home / 10,368,396.80-15,525,379.20-7,319,297.60

Finding the Fourth Proportional to 10,368,396.80, 15,525,379.20 and 7,319,297.60

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Solution

The fourth proportional to 10,368,396.80, 15,525,379.20 and 7,319,297.60 is: 10,959,733.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,396.80 : 15,525,379.20 = 7,319,297.60 : x
  2. Step 2: Convert to fraction form
    10,368,396.80/15,525,379.20 = 7,319,297.60/x
  3. Step 3: Cross multiply
    10,368,396.80x = 15,525,379.20 × 7,319,297.60
  4. Step 4: Simplify right side
    10,368,396.80x = 113,634,870,717,649.91
  5. Step 5: Solve for x
    x = 113,634,870,717,649.91/10,368,396.80
  6. Step 6: Final answer
    x = 10,959,733.98

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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.