Finding the Fourth Proportional to 40,756,724.99, 56,244,646.17 and 22,172,270.88
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Solution
The fourth proportional to 40,756,724.99, 56,244,646.17 and 22,172,270.88 is: 30,597,932.76
Step by Step Solution
- Step 1: Write the proportion equation
40,756,724.99 : 56,244,646.17 = 22,172,270.88 : x - Step 2: Convert to fraction form
40,756,724.99/56,244,646.17 = 22,172,270.88/x - Step 3: Cross multiply
40,756,724.99x = 56,244,646.17 × 22,172,270.88 - Step 4: Simplify right side
40,756,724.99x = 1,247,071,530,430,994.50 - Step 5: Solve for x
x = 1,247,071,530,430,994.50/40,756,724.99 - Step 6: Final answer
x = 30,597,932.76
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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.