Finding the Fourth Proportional to 11,393,919.68, 15,723,607.98 and 6,166,926.93
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Solution
The fourth proportional to 11,393,919.68, 15,723,607.98 and 6,166,926.93 is: 8,510,358.53
Step by Step Solution
- Step 1: Write the proportion equation
11,393,919.68 : 15,723,607.98 = 6,166,926.93 : x - Step 2: Convert to fraction form
11,393,919.68/15,723,607.98 = 6,166,926.93/x - Step 3: Cross multiply
11,393,919.68x = 15,723,607.98 × 6,166,926.93 - Step 4: Simplify right side
11,393,919.68x = 96,966,341,488,624.91 - Step 5: Solve for x
x = 96,966,341,488,624.91/11,393,919.68 - Step 6: Final answer
x = 8,510,358.53
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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.