Finding the Fourth Proportional to 26,330,294.52, 39,499,219.08 and 8,136,077.76
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Solution
The fourth proportional to 26,330,294.52, 39,499,219.08 and 8,136,077.76 is: 12,205,283.83
Step by Step Solution
- Step 1: Write the proportion equation
26,330,294.52 : 39,499,219.08 = 8,136,077.76 : x - Step 2: Convert to fraction form
26,330,294.52/39,499,219.08 = 8,136,077.76/x - Step 3: Cross multiply
26,330,294.52x = 39,499,219.08 × 8,136,077.76 - Step 4: Simplify right side
26,330,294.52x = 321,368,717,894,155.62 - Step 5: Solve for x
x = 321,368,717,894,155.62/26,330,294.52 - Step 6: Final answer
x = 12,205,283.83
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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.