Finding the Fourth Proportional to 26,578,688.10, 39,868,032.15 and 26,326,745.70
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Solution
The fourth proportional to 26,578,688.10, 39,868,032.15 and 26,326,745.70 is: 39,490,118.55
Step by Step Solution
- Step 1: Write the proportion equation
26,578,688.10 : 39,868,032.15 = 26,326,745.70 : x - Step 2: Convert to fraction form
26,578,688.10/39,868,032.15 = 26,326,745.70/x - Step 3: Cross multiply
26,578,688.10x = 39,868,032.15 × 26,326,745.70 - Step 4: Simplify right side
26,578,688.10x = 1,049,595,543,972,474.12 - Step 5: Solve for x
x = 1,049,595,543,972,474.12/26,578,688.10 - Step 6: Final answer
x = 39,490,118.55
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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.