Finding the Fourth Proportional to 6,893,992.63, 10,331,309.61 and 5,448,320.02
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Solution
The fourth proportional to 6,893,992.63, 10,331,309.61 and 5,448,320.02 is: 8,164,830.45
Step by Step Solution
- Step 1: Write the proportion equation
6,893,992.63 : 10,331,309.61 = 5,448,320.02 : x - Step 2: Convert to fraction form
6,893,992.63/10,331,309.61 = 5,448,320.02/x - Step 3: Cross multiply
6,893,992.63x = 10,331,309.61 × 5,448,320.02 - Step 4: Simplify right side
6,893,992.63x = 56,288,280,980,981.38 - Step 5: Solve for x
x = 56,288,280,980,981.38/6,893,992.63 - Step 6: Final answer
x = 8,164,830.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.