Finding the Fourth Proportional to 20,585,411.13, 30,878,337.99 and 6,208,603.50
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Solution
The fourth proportional to 20,585,411.13, 30,878,337.99 and 6,208,603.50 is: 9,312,971.99
Step by Step Solution
- Step 1: Write the proportion equation
20,585,411.13 : 30,878,337.99 = 6,208,603.50 : x - Step 2: Convert to fraction form
20,585,411.13/30,878,337.99 = 6,208,603.50/x - Step 3: Cross multiply
20,585,411.13x = 30,878,337.99 × 6,208,603.50 - Step 4: Simplify right side
20,585,411.13x = 191,711,357,318,896.97 - Step 5: Solve for x
x = 191,711,357,318,896.97/20,585,411.13 - Step 6: Final answer
x = 9,312,971.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.