Finding the Fourth Proportional to 11,487,307.38, 15,852,483.89 and 6,330,668.92
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Solution
The fourth proportional to 11,487,307.38, 15,852,483.89 and 6,330,668.92 is: 8,736,322.95
Step by Step Solution
- Step 1: Write the proportion equation
11,487,307.38 : 15,852,483.89 = 6,330,668.92 : x - Step 2: Convert to fraction form
11,487,307.38/15,852,483.89 = 6,330,668.92/x - Step 3: Cross multiply
11,487,307.38x = 15,852,483.89 × 6,330,668.92 - Step 4: Simplify right side
11,487,307.38x = 100,356,827,101,035.42 - Step 5: Solve for x
x = 100,356,827,101,035.42/11,487,307.38 - Step 6: Final answer
x = 8,736,322.95
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1.5x scale
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.