Finding the Fourth Proportional to 9,689,303.49, 13,371,232.72 and 5,338,389.75
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Solution
The fourth proportional to 9,689,303.49, 13,371,232.72 and 5,338,389.75 is: 7,366,974.50
Step by Step Solution
- Step 1: Write the proportion equation
9,689,303.49 : 13,371,232.72 = 5,338,389.75 : x - Step 2: Convert to fraction form
9,689,303.49/13,371,232.72 = 5,338,389.75/x - Step 3: Cross multiply
9,689,303.49x = 13,371,232.72 × 5,338,389.75 - Step 4: Simplify right side
9,689,303.49x = 71,380,851,697,312.62 - Step 5: Solve for x
x = 71,380,851,697,312.62/9,689,303.49 - Step 6: Final answer
x = 7,366,974.50
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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.