Finding the Fourth Proportional to 19,423,216.63, 26,804,034.88 and 10,721,386.99
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Solution
The fourth proportional to 19,423,216.63, 26,804,034.88 and 10,721,386.99 is: 14,795,511.80
Step by Step Solution
- Step 1: Write the proportion equation
19,423,216.63 : 26,804,034.88 = 10,721,386.99 : x - Step 2: Convert to fraction form
19,423,216.63/26,804,034.88 = 10,721,386.99/x - Step 3: Cross multiply
19,423,216.63x = 26,804,034.88 × 10,721,386.99 - Step 4: Simplify right side
19,423,216.63x = 287,376,430,841,938.19 - Step 5: Solve for x
x = 287,376,430,841,938.19/19,423,216.63 - Step 6: Final answer
x = 14,795,511.80
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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.