Finding the Fourth Proportional to 14,316,636.09, 19,756,791.71 and 7,790,153.13
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Solution
The fourth proportional to 14,316,636.09, 19,756,791.71 and 7,790,153.13 is: 10,750,320.94
Step by Step Solution
- Step 1: Write the proportion equation
14,316,636.09 : 19,756,791.71 = 7,790,153.13 : x - Step 2: Convert to fraction form
14,316,636.09/19,756,791.71 = 7,790,153.13/x - Step 3: Cross multiply
14,316,636.09x = 19,756,791.71 × 7,790,153.13 - Step 4: Simplify right side
14,316,636.09x = 153,908,432,768,676.84 - Step 5: Solve for x
x = 153,908,432,768,676.84/14,316,636.09 - Step 6: Final answer
x = 10,750,320.94
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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.