Finding the Fourth Proportional to 19,655,926.68, 27,125,269.74 and 11,400,876.48
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Solution
The fourth proportional to 19,655,926.68, 27,125,269.74 and 11,400,876.48 is: 15,733,262.28
Step by Step Solution
- Step 1: Write the proportion equation
19,655,926.68 : 27,125,269.74 = 11,400,876.48 : x - Step 2: Convert to fraction form
19,655,926.68/27,125,269.74 = 11,400,876.48/x - Step 3: Cross multiply
19,655,926.68x = 27,125,269.74 × 11,400,876.48 - Step 4: Simplify right side
19,655,926.68x = 309,251,849,792,421.69 - Step 5: Solve for x
x = 309,251,849,792,421.69/19,655,926.68 - Step 6: Final answer
x = 15,733,262.28
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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.