Finding the Fourth Proportional to 10,967,877.80, 15,137,513.62 and 6,386,900.12
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Solution
The fourth proportional to 10,967,877.80, 15,137,513.62 and 6,386,900.12 is: 8,814,994.96
Step by Step Solution
- Step 1: Write the proportion equation
10,967,877.80 : 15,137,513.62 = 6,386,900.12 : x - Step 2: Convert to fraction form
10,967,877.80/15,137,513.62 = 6,386,900.12/x - Step 3: Cross multiply
10,967,877.80x = 15,137,513.62 × 6,386,900.12 - Step 4: Simplify right side
10,967,877.80x = 96,681,787,556,079.62 - Step 5: Solve for x
x = 96,681,787,556,079.62/10,967,877.80 - Step 6: Final answer
x = 8,814,994.96
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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.