Finding the Fourth Proportional to 10,493,538.04, 14,487,768.66 and 8,564,400.28
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Solution
The fourth proportional to 10,493,538.04, 14,487,768.66 and 8,564,400.28 is: 11,824,329.36
Step by Step Solution
- Step 1: Write the proportion equation
10,493,538.04 : 14,487,768.66 = 8,564,400.28 : x - Step 2: Convert to fraction form
10,493,538.04/14,487,768.66 = 8,564,400.28/x - Step 3: Cross multiply
10,493,538.04x = 14,487,768.66 × 8,564,400.28 - Step 4: Simplify right side
10,493,538.04x = 124,079,049,968,279.22 - Step 5: Solve for x
x = 124,079,049,968,279.22/10,493,538.04 - Step 6: Final answer
x = 11,824,329.36
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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.