Finding the Fourth Proportional to 7,863,840.37, 10,846,509.55 and 5,249,026.09
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Solution
The fourth proportional to 7,863,840.37, 10,846,509.55 and 5,249,026.09 is: 7,239,924.63
Step by Step Solution
- Step 1: Write the proportion equation
7,863,840.37 : 10,846,509.55 = 5,249,026.09 : x - Step 2: Convert to fraction form
7,863,840.37/10,846,509.55 = 5,249,026.09/x - Step 3: Cross multiply
7,863,840.37x = 10,846,509.55 × 5,249,026.09 - Step 4: Simplify right side
7,863,840.37x = 56,933,611,613,819.73 - Step 5: Solve for x
x = 56,933,611,613,819.73/7,863,840.37 - Step 6: Final answer
x = 7,239,924.63
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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.