Finding the Fourth Proportional to 7,001,105.79, 10,487,650.95 and 5,564,213.99
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Solution
The fourth proportional to 7,001,105.79, 10,487,650.95 and 5,564,213.99 is: 8,335,188.16
Step by Step Solution
- Step 1: Write the proportion equation
7,001,105.79 : 10,487,650.95 = 5,564,213.99 : x - Step 2: Convert to fraction form
7,001,105.79/10,487,650.95 = 5,564,213.99/x - Step 3: Cross multiply
7,001,105.79x = 10,487,650.95 × 5,564,213.99 - Step 4: Simplify right side
7,001,105.79x = 58,355,534,085,788.53 - Step 5: Solve for x
x = 58,355,534,085,788.53/7,001,105.79 - Step 6: Final answer
x = 8,335,188.16
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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.