Finding the Fourth Proportional to 29,926,423.71, 41,291,420.63 and 18,165,402.45
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Solution
The fourth proportional to 29,926,423.71, 41,291,420.63 and 18,165,402.45 is: 25,063,979.60
Step by Step Solution
- Step 1: Write the proportion equation
29,926,423.71 : 41,291,420.63 = 18,165,402.45 : x - Step 2: Convert to fraction form
29,926,423.71/41,291,420.63 = 18,165,402.45/x - Step 3: Cross multiply
29,926,423.71x = 41,291,420.63 × 18,165,402.45 - Step 4: Simplify right side
29,926,423.71x = 750,075,273,385,355.50 - Step 5: Solve for x
x = 750,075,273,385,355.50/29,926,423.71 - Step 6: Final answer
x = 25,063,979.60
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.