Finding the Fourth Proportional to 19,516,843.68, 26,933,404.74 and 10,815,161.61
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Solution
The fourth proportional to 19,516,843.68, 26,933,404.74 and 10,815,161.61 is: 14,925,011.94
Step by Step Solution
- Step 1: Write the proportion equation
19,516,843.68 : 26,933,404.74 = 10,815,161.61 : x - Step 2: Convert to fraction form
19,516,843.68/26,933,404.74 = 10,815,161.61/x - Step 3: Cross multiply
19,516,843.68x = 26,933,404.74 × 10,815,161.61 - Step 4: Simplify right side
19,516,843.68x = 291,289,124,970,640 - Step 5: Solve for x
x = 291,289,124,970,640/19,516,843.68 - Step 6: Final answer
x = 14,925,011.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.