Finding the Fourth Proportional to 7,246,981.49, 10,001,077.99 and 4,266,147.03
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Solution
The fourth proportional to 7,246,981.49, 10,001,077.99 and 4,266,147.03 is: 5,887,426.26
Step by Step Solution
- Step 1: Write the proportion equation
7,246,981.49 : 10,001,077.99 = 4,266,147.03 : x - Step 2: Convert to fraction form
7,246,981.49/10,001,077.99 = 4,266,147.03/x - Step 3: Cross multiply
7,246,981.49x = 10,001,077.99 × 4,266,147.03 - Step 4: Simplify right side
7,246,981.49x = 42,666,069,177,168.58 - Step 5: Solve for x
x = 42,666,069,177,168.58/7,246,981.49 - Step 6: Final answer
x = 5,887,426.26
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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.