Finding the Fourth Proportional to 52,260,688.23, 78,385,964.09 and 15,869,393.79
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Solution
The fourth proportional to 52,260,688.23, 78,385,964.09 and 15,869,393.79 is: 23,802,551.67
Step by Step Solution
- Step 1: Write the proportion equation
52,260,688.23 : 78,385,964.09 = 15,869,393.79 : x - Step 2: Convert to fraction form
52,260,688.23/78,385,964.09 = 15,869,393.79/x - Step 3: Cross multiply
52,260,688.23x = 78,385,964.09 × 15,869,393.79 - Step 4: Simplify right side
52,260,688.23x = 1,243,937,731,673,661.75 - Step 5: Solve for x
x = 1,243,937,731,673,661.75/52,260,688.23 - Step 6: Final answer
x = 23,802,551.67
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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.