Finding the Fourth Proportional to 11,271,740.69, 15,556,467.35 and 6,312,070.26
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Solution
The fourth proportional to 11,271,740.69, 15,556,467.35 and 6,312,070.26 is: 8,711,477.46
Step by Step Solution
- Step 1: Write the proportion equation
11,271,740.69 : 15,556,467.35 = 6,312,070.26 : x - Step 2: Convert to fraction form
11,271,740.69/15,556,467.35 = 6,312,070.26/x - Step 3: Cross multiply
11,271,740.69x = 15,556,467.35 × 6,312,070.26 - Step 4: Simplify right side
11,271,740.69x = 98,193,514,926,376.17 - Step 5: Solve for x
x = 98,193,514,926,376.17/11,271,740.69 - Step 6: Final answer
x = 8,711,477.46
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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.