Finding the Fourth Proportional to 10,926,728.73, 15,078,490.45 and 6,031,845.77
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Solution
The fourth proportional to 10,926,728.73, 15,078,490.45 and 6,031,845.77 is: 8,323,728.99
Step by Step Solution
- Step 1: Write the proportion equation
10,926,728.73 : 15,078,490.45 = 6,031,845.77 : x - Step 2: Convert to fraction form
10,926,728.73/15,078,490.45 = 6,031,845.77/x - Step 3: Cross multiply
10,926,728.73x = 15,078,490.45 × 6,031,845.77 - Step 4: Simplify right side
10,926,728.73x = 90,951,128,748,345.83 - Step 5: Solve for x
x = 90,951,128,748,345.83/10,926,728.73 - Step 6: Final answer
x = 8,323,728.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.