Finding the Fourth Proportional to 19,422,755.66, 26,803,405.49 and 10,720,930.12
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Solution
The fourth proportional to 19,422,755.66, 26,803,405.49 and 10,720,930.12 is: 14,794,885.04
Step by Step Solution
- Step 1: Write the proportion equation
19,422,755.66 : 26,803,405.49 = 10,720,930.12 : x - Step 2: Convert to fraction form
19,422,755.66/26,803,405.49 = 10,720,930.12/x - Step 3: Cross multiply
19,422,755.66x = 26,803,405.49 × 10,720,930.12 - Step 4: Simplify right side
19,422,755.66x = 287,357,437,115,701.19 - Step 5: Solve for x
x = 287,357,437,115,701.19/19,422,755.66 - Step 6: Final answer
x = 14,794,885.04
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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.