Finding the Fourth Proportional to 39,088,048.14, 53,941,569.99 and 21,684,393.78
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Solution
The fourth proportional to 39,088,048.14, 53,941,569.99 and 21,684,393.78 is: 29,924,498.68
Step by Step Solution
- Step 1: Write the proportion equation
39,088,048.14 : 53,941,569.99 = 21,684,393.78 : x - Step 2: Convert to fraction form
39,088,048.14/53,941,569.99 = 21,684,393.78/x - Step 3: Cross multiply
39,088,048.14x = 53,941,569.99 × 21,684,393.78 - Step 4: Simplify right side
39,088,048.14x = 1,169,690,244,774,590.75 - Step 5: Solve for x
x = 1,169,690,244,774,590.75/39,088,048.14 - Step 6: Final answer
x = 29,924,498.68
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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.