Finding the Fourth Proportional to 7,567,318.59, 11,354,963.70 and 4,374,686.99
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Solution
The fourth proportional to 7,567,318.59, 11,354,963.70 and 4,374,686.99 is: 6,564,334.68
Step by Step Solution
- Step 1: Write the proportion equation
7,567,318.59 : 11,354,963.70 = 4,374,686.99 : x - Step 2: Convert to fraction form
7,567,318.59/11,354,963.70 = 4,374,686.99/x - Step 3: Cross multiply
7,567,318.59x = 11,354,963.70 × 4,374,686.99 - Step 4: Simplify right side
7,567,318.59x = 49,674,411,891,664.02 - Step 5: Solve for x
x = 49,674,411,891,664.02/7,567,318.59 - Step 6: Final answer
x = 6,564,334.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.