Finding the Fourth Proportional to 13,167,259.50, 19,732,955.85 and 7,412,737.62
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Solution
The fourth proportional to 13,167,259.50, 19,732,955.85 and 7,412,737.62 is: 11,109,010.51
Step by Step Solution
- Step 1: Write the proportion equation
13,167,259.50 : 19,732,955.85 = 7,412,737.62 : x - Step 2: Convert to fraction form
13,167,259.50/19,732,955.85 = 7,412,737.62/x - Step 3: Cross multiply
13,167,259.50x = 19,732,955.85 × 7,412,737.62 - Step 4: Simplify right side
13,167,259.50x = 146,275,224,183,094.09 - Step 5: Solve for x
x = 146,275,224,183,094.09/13,167,259.50 - Step 6: Final answer
x = 11,109,010.51
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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.