Finding the Fourth Proportional to 19,323,619.47, 26,666,437.68 and 10,621,699.56
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Solution
The fourth proportional to 19,323,619.47, 26,666,437.68 and 10,621,699.56 is: 14,657,858.99
Step by Step Solution
- Step 1: Write the proportion equation
19,323,619.47 : 26,666,437.68 = 10,621,699.56 : x - Step 2: Convert to fraction form
19,323,619.47/26,666,437.68 = 10,621,699.56/x - Step 3: Cross multiply
19,323,619.47x = 26,666,437.68 × 10,621,699.56 - Step 4: Simplify right side
19,323,619.47x = 283,242,889,372,423.44 - Step 5: Solve for x
x = 283,242,889,372,423.44/19,323,619.47 - Step 6: Final answer
x = 14,657,858.99
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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.