Finding the Fourth Proportional to 15,410,895.74, 21,266,775.49 and 8,535,230.18
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Solution
The fourth proportional to 15,410,895.74, 21,266,775.49 and 8,535,230.18 is: 11,778,473.30
Step by Step Solution
- Step 1: Write the proportion equation
15,410,895.74 : 21,266,775.49 = 8,535,230.18 : x - Step 2: Convert to fraction form
15,410,895.74/21,266,775.49 = 8,535,230.18/x - Step 3: Cross multiply
15,410,895.74x = 21,266,775.49 × 8,535,230.18 - Step 4: Simplify right side
15,410,895.74x = 181,516,823,950,856.12 - Step 5: Solve for x
x = 181,516,823,950,856.12/15,410,895.74 - Step 6: Final answer
x = 11,778,473.30
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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.