Finding the Fourth Proportional to 34,226,377.84, 47,232,442.95 and 18,545,389.96
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Solution
The fourth proportional to 34,226,377.84, 47,232,442.95 and 18,545,389.96 is: 25,592,660.65
Step by Step Solution
- Step 1: Write the proportion equation
34,226,377.84 : 47,232,442.95 = 18,545,389.96 : x - Step 2: Convert to fraction form
34,226,377.84/47,232,442.95 = 18,545,389.96/x - Step 3: Cross multiply
34,226,377.84x = 47,232,442.95 × 18,545,389.96 - Step 4: Simplify right side
34,226,377.84x = 875,944,073,377,356 - Step 5: Solve for x
x = 875,944,073,377,356/34,226,377.84 - Step 6: Final answer
x = 25,592,660.65
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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.