Finding the Fourth Proportional to 7,775,369.30, 11,663,053.95 and 4,948,015.70
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Solution
The fourth proportional to 7,775,369.30, 11,663,053.95 and 4,948,015.70 is: 7,422,023.55
Step by Step Solution
- Step 1: Write the proportion equation
7,775,369.30 : 11,663,053.95 = 4,948,015.70 : x - Step 2: Convert to fraction form
7,775,369.30/11,663,053.95 = 4,948,015.70/x - Step 3: Cross multiply
7,775,369.30x = 11,663,053.95 × 4,948,015.70 - Step 4: Simplify right side
7,775,369.30x = 57,708,974,054,547.02 - Step 5: Solve for x
x = 57,708,974,054,547.02/7,775,369.30 - Step 6: Final answer
x = 7,422,023.55
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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.