Finding the Fourth Proportional to 42,304,292.52, 58,397,781.20 and 28,571,857.08
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Solution
The fourth proportional to 42,304,292.52, 58,397,781.20 and 28,571,857.08 is: 39,441,223.55
Step by Step Solution
- Step 1: Write the proportion equation
42,304,292.52 : 58,397,781.20 = 28,571,857.08 : x - Step 2: Convert to fraction form
42,304,292.52/58,397,781.20 = 28,571,857.08/x - Step 3: Cross multiply
42,304,292.52x = 58,397,781.20 × 28,571,857.08 - Step 4: Simplify right side
42,304,292.52x = 1,668,533,058,235,511 - Step 5: Solve for x
x = 1,668,533,058,235,511/42,304,292.52 - Step 6: Final answer
x = 39,441,223.55
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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.