Finding the Fourth Proportional to 40,376,566.77, 55,719,888.47 and 22,972,911.63
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Solution
The fourth proportional to 40,376,566.77, 55,719,888.47 and 22,972,911.63 is: 31,702,746.82
Step by Step Solution
- Step 1: Write the proportion equation
40,376,566.77 : 55,719,888.47 = 22,972,911.63 : x - Step 2: Convert to fraction form
40,376,566.77/55,719,888.47 = 22,972,911.63/x - Step 3: Cross multiply
40,376,566.77x = 55,719,888.47 × 22,972,911.63 - Step 4: Simplify right side
40,376,566.77x = 1,280,048,073,739,901.25 - Step 5: Solve for x
x = 1,280,048,073,739,901.25/40,376,566.77 - Step 6: Final answer
x = 31,702,746.82
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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.