Finding the Fourth Proportional to 45,553,515.18, 62,806,827.33 and 38,020,453.80
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Solution
The fourth proportional to 45,553,515.18, 62,806,827.33 and 38,020,453.80 is: 52,420,632.47
Step by Step Solution
- Step 1: Write the proportion equation
45,553,515.18 : 62,806,827.33 = 38,020,453.80 : x - Step 2: Convert to fraction form
45,553,515.18/62,806,827.33 = 38,020,453.80/x - Step 3: Cross multiply
45,553,515.18x = 62,806,827.33 × 38,020,453.80 - Step 4: Simplify right side
45,553,515.18x = 2,387,944,076,824,842 - Step 5: Solve for x
x = 2,387,944,076,824,842/45,553,515.18 - Step 6: Final answer
x = 52,420,632.47
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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.