Finding the Fourth Proportional to 26,510,492.94, 39,765,339.81 and 11,927,113.62
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Solution
The fourth proportional to 26,510,492.94, 39,765,339.81 and 11,927,113.62 is: 17,890,490.65
Step by Step Solution
- Step 1: Write the proportion equation
26,510,492.94 : 39,765,339.81 = 11,927,113.62 : x - Step 2: Convert to fraction form
26,510,492.94/39,765,339.81 = 11,927,113.62/x - Step 3: Cross multiply
26,510,492.94x = 39,765,339.81 × 11,927,113.62 - Step 4: Simplify right side
26,510,492.94x = 474,285,726,051,779.19 - Step 5: Solve for x
x = 474,285,726,051,779.19/26,510,492.94 - Step 6: Final answer
x = 17,890,490.65
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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.