Finding the Fourth Proportional to 10,557,876.70, 15,868,307.85 and 10,368,919.90
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Solution
The fourth proportional to 10,557,876.70, 15,868,307.85 and 10,368,919.90 is: 15,584,309.02
Step by Step Solution
- Step 1: Write the proportion equation
10,557,876.70 : 15,868,307.85 = 10,368,919.90 : x - Step 2: Convert to fraction form
10,557,876.70/15,868,307.85 = 10,368,919.90/x - Step 3: Cross multiply
10,557,876.70x = 15,868,307.85 × 10,368,919.90 - Step 4: Simplify right side
10,557,876.70x = 164,537,213,045,191.22 - Step 5: Solve for x
x = 164,537,213,045,191.22/10,557,876.70 - Step 6: Final answer
x = 15,584,309.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.