Finding the Fourth Proportional to 9,671,960.74, 13,347,305.74 and 5,320,953.67
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Solution
The fourth proportional to 9,671,960.74, 13,347,305.74 and 5,320,953.67 is: 7,342,916.02
Step by Step Solution
- Step 1: Write the proportion equation
9,671,960.74 : 13,347,305.74 = 5,320,953.67 : x - Step 2: Convert to fraction form
9,671,960.74/13,347,305.74 = 5,320,953.67/x - Step 3: Cross multiply
9,671,960.74x = 13,347,305.74 × 5,320,953.67 - Step 4: Simplify right side
9,671,960.74x = 71,020,395,448,562.69 - Step 5: Solve for x
x = 71,020,395,448,562.69/9,671,960.74 - Step 6: Final answer
x = 7,342,916.02
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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.