Finding the Fourth Proportional to 7,001,102.79, 10,487,646.45 and 5,564,210.99
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Solution
The fourth proportional to 7,001,102.79, 10,487,646.45 and 5,564,210.99 is: 8,335,183.66
Step by Step Solution
- Step 1: Write the proportion equation
7,001,102.79 : 10,487,646.45 = 5,564,210.99 : x - Step 2: Convert to fraction form
7,001,102.79/10,487,646.45 = 5,564,210.99/x - Step 3: Cross multiply
7,001,102.79x = 10,487,646.45 × 5,564,210.99 - Step 4: Simplify right side
7,001,102.79x = 58,355,477,583,886.25 - Step 5: Solve for x
x = 58,355,477,583,886.25/7,001,102.79 - Step 6: Final answer
x = 8,335,183.66
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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.