Finding the Fourth Proportional to 17,918,386.56, 26,881,390.08 and 5,788,545.84
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Solution
The fourth proportional to 17,918,386.56, 26,881,390.08 and 5,788,545.84 is: 8,684,049.66
Step by Step Solution
- Step 1: Write the proportion equation
17,918,386.56 : 26,881,390.08 = 5,788,545.84 : x - Step 2: Convert to fraction form
17,918,386.56/26,881,390.08 = 5,788,545.84/x - Step 3: Cross multiply
17,918,386.56x = 26,881,390.08 × 5,788,545.84 - Step 4: Simplify right side
17,918,386.56x = 155,604,158,721,001.25 - Step 5: Solve for x
x = 155,604,158,721,001.25/17,918,386.56 - Step 6: Final answer
x = 8,684,049.66
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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.