Finding the Fourth Proportional to 7,776,357.70, 11,664,536.55 and 4,417,125.70
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Solution
The fourth proportional to 7,776,357.70, 11,664,536.55 and 4,417,125.70 is: 6,625,688.55
Step by Step Solution
- Step 1: Write the proportion equation
7,776,357.70 : 11,664,536.55 = 4,417,125.70 : x - Step 2: Convert to fraction form
7,776,357.70/11,664,536.55 = 4,417,125.70/x - Step 3: Cross multiply
7,776,357.70x = 11,664,536.55 × 4,417,125.70 - Step 4: Simplify right side
7,776,357.70x = 51,523,724,173,594.34 - Step 5: Solve for x
x = 51,523,724,173,594.34/7,776,357.70 - Step 6: Final answer
x = 6,625,688.55
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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.