Finding the Fourth Proportional to 19,423,211.51, 26,804,027.84 and 10,721,381.84
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Solution
The fourth proportional to 19,423,211.51, 26,804,027.84 and 10,721,381.84 is: 14,795,504.71
Step by Step Solution
- Step 1: Write the proportion equation
19,423,211.51 : 26,804,027.84 = 10,721,381.84 : x - Step 2: Convert to fraction form
19,423,211.51/26,804,027.84 = 10,721,381.84/x - Step 3: Cross multiply
19,423,211.51x = 26,804,027.84 × 10,721,381.84 - Step 4: Simplify right side
19,423,211.51x = 287,376,217,336,033.56 - Step 5: Solve for x
x = 287,376,217,336,033.56/19,423,211.51 - Step 6: Final answer
x = 14,795,504.71
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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.