Finding the Fourth Proportional to 40,564,195.34, 55,933,318.68 and 29,378,566.31
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Solution
The fourth proportional to 40,564,195.34, 55,933,318.68 and 29,378,566.31 is: 40,509,634.12
Step by Step Solution
- Step 1: Write the proportion equation
40,564,195.34 : 55,933,318.68 = 29,378,566.31 : x - Step 2: Convert to fraction form
40,564,195.34/55,933,318.68 = 29,378,566.31/x - Step 3: Cross multiply
40,564,195.34x = 55,933,318.68 × 29,378,566.31 - Step 4: Simplify right side
40,564,195.34x = 1,643,240,711,778,741.50 - Step 5: Solve for x
x = 1,643,240,711,778,741.50/40,564,195.34 - Step 6: Final answer
x = 40,509,634.12
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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.