Finding the Fourth Proportional to 7,528,101.36, 10,388,822.76 and 4,430,740.92
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Solution
The fourth proportional to 7,528,101.36, 10,388,822.76 and 4,430,740.92 is: 6,114,447.71
Step by Step Solution
- Step 1: Write the proportion equation
7,528,101.36 : 10,388,822.76 = 4,430,740.92 : x - Step 2: Convert to fraction form
7,528,101.36/10,388,822.76 = 4,430,740.92/x - Step 3: Cross multiply
7,528,101.36x = 10,388,822.76 × 4,430,740.92 - Step 4: Simplify right side
7,528,101.36x = 46,030,182,113,359.34 - Step 5: Solve for x
x = 46,030,182,113,359.34/7,528,101.36 - Step 6: Final answer
x = 6,114,447.71
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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.