Finding the Fourth Proportional to 11,455,252.32, 15,808,307.04 and 6,298,946.40
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Solution
The fourth proportional to 11,455,252.32, 15,808,307.04 and 6,298,946.40 is: 8,692,578.39
Step by Step Solution
- Step 1: Write the proportion equation
11,455,252.32 : 15,808,307.04 = 6,298,946.40 : x - Step 2: Convert to fraction form
11,455,252.32/15,808,307.04 = 6,298,946.40/x - Step 3: Cross multiply
11,455,252.32x = 15,808,307.04 × 6,298,946.40 - Step 4: Simplify right side
11,455,252.32x = 99,575,678,719,702.66 - Step 5: Solve for x
x = 99,575,678,719,702.66/11,455,252.32 - Step 6: Final answer
x = 8,692,578.39
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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.