Finding the Fourth Proportional to 15,019,430.84, 22,531,948.78 and 6,822,648.80
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Solution
The fourth proportional to 15,019,430.84, 22,531,948.78 and 6,822,648.80 is: 10,235,246.26
Step by Step Solution
- Step 1: Write the proportion equation
15,019,430.84 : 22,531,948.78 = 6,822,648.80 : x - Step 2: Convert to fraction form
15,019,430.84/22,531,948.78 = 6,822,648.80/x - Step 3: Cross multiply
15,019,430.84x = 22,531,948.78 × 6,822,648.80 - Step 4: Simplify right side
15,019,430.84x = 153,727,573,305,528.47 - Step 5: Solve for x
x = 153,727,573,305,528.47/15,019,430.84 - Step 6: Final answer
x = 10,235,246.26
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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.