Finding the Fourth Proportional to 19,431,465.05, 29,133,911.55 and 9,201,225.80
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Solution
The fourth proportional to 19,431,465.05, 29,133,911.55 and 9,201,225.80 is: 13,795,547.48
Step by Step Solution
- Step 1: Write the proportion equation
19,431,465.05 : 29,133,911.55 = 9,201,225.80 : x - Step 2: Convert to fraction form
19,431,465.05/29,133,911.55 = 9,201,225.80/x - Step 3: Cross multiply
19,431,465.05x = 29,133,911.55 × 9,201,225.80 - Step 4: Simplify right side
19,431,465.05x = 268,067,698,608,778.03 - Step 5: Solve for x
x = 268,067,698,608,778.03/19,431,465.05 - Step 6: Final answer
x = 13,795,547.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.