Finding the Fourth Proportional to 8,387,335.13, 12,579,526.47 and 2,239,393.14
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Solution
The fourth proportional to 8,387,335.13, 12,579,526.47 and 2,239,393.14 is: 3,358,695.56
Step by Step Solution
- Step 1: Write the proportion equation
8,387,335.13 : 12,579,526.47 = 2,239,393.14 : x - Step 2: Convert to fraction form
8,387,335.13/12,579,526.47 = 2,239,393.14/x - Step 3: Cross multiply
8,387,335.13x = 12,579,526.47 × 2,239,393.14 - Step 4: Simplify right side
8,387,335.13x = 28,170,505,281,366.42 - Step 5: Solve for x
x = 28,170,505,281,366.42/8,387,335.13 - Step 6: Final answer
x = 3,358,695.56
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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.