Finding the Fourth Proportional to 8,462,313.84, 11,675,109.24 and 5,408,289.84
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Solution
The fourth proportional to 8,462,313.84, 11,675,109.24 and 5,408,289.84 is: 7,461,596.90
Step by Step Solution
- Step 1: Write the proportion equation
8,462,313.84 : 11,675,109.24 = 5,408,289.84 : x - Step 2: Convert to fraction form
8,462,313.84/11,675,109.24 = 5,408,289.84/x - Step 3: Cross multiply
8,462,313.84x = 11,675,109.24 × 5,408,289.84 - Step 4: Simplify right side
8,462,313.84x = 63,142,374,683,582.12 - Step 5: Solve for x
x = 63,142,374,683,582.12/8,462,313.84 - Step 6: Final answer
x = 7,461,596.90
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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.