Finding the Fourth Proportional to 19,219,562.66, 26,518,894.43 and 11,381,537.13
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Solution
The fourth proportional to 19,219,562.66, 26,518,894.43 and 11,381,537.13 is: 15,704,092.07
Step by Step Solution
- Step 1: Write the proportion equation
19,219,562.66 : 26,518,894.43 = 11,381,537.13 : x - Step 2: Convert to fraction form
19,219,562.66/26,518,894.43 = 11,381,537.13/x - Step 3: Cross multiply
19,219,562.66x = 26,518,894.43 × 11,381,537.13 - Step 4: Simplify right side
19,219,562.66x = 301,825,781,544,687.50 - Step 5: Solve for x
x = 301,825,781,544,687.50/19,219,562.66 - Step 6: Final answer
x = 15,704,092.07
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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.