Finding the Fourth Proportional to 7,842,089.13, 11,767,737.63 and 3,292,788.02
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Solution
The fourth proportional to 7,842,089.13, 11,767,737.63 and 3,292,788.02 is: 4,941,115.15
Step by Step Solution
- Step 1: Write the proportion equation
7,842,089.13 : 11,767,737.63 = 3,292,788.02 : x - Step 2: Convert to fraction form
7,842,089.13/11,767,737.63 = 3,292,788.02/x - Step 3: Cross multiply
7,842,089.13x = 11,767,737.63 × 3,292,788.02 - Step 4: Simplify right side
7,842,089.13x = 38,748,665,431,728.51 - Step 5: Solve for x
x = 38,748,665,431,728.51/7,842,089.13 - Step 6: Final answer
x = 4,941,115.15
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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.