Finding the Fourth Proportional to 11,355,887.19, 15,671,188.08 and 6,461,109.17
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Solution
The fourth proportional to 11,355,887.19, 15,671,188.08 and 6,461,109.17 is: 8,916,366.92
Step by Step Solution
- Step 1: Write the proportion equation
11,355,887.19 : 15,671,188.08 = 6,461,109.17 : x - Step 2: Convert to fraction form
11,355,887.19/15,671,188.08 = 6,461,109.17/x - Step 3: Cross multiply
11,355,887.19x = 15,671,188.08 × 6,461,109.17 - Step 4: Simplify right side
11,355,887.19x = 101,253,256,930,126.75 - Step 5: Solve for x
x = 101,253,256,930,126.75/11,355,887.19 - Step 6: Final answer
x = 8,916,366.92
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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.