Finding the Fourth Proportional to 11,116,478.70, 15,341,220.05 and 6,154,920.00
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Solution
The fourth proportional to 11,116,478.70, 15,341,220.05 and 6,154,920.00 is: 8,494,055.06
Step by Step Solution
- Step 1: Write the proportion equation
11,116,478.70 : 15,341,220.05 = 6,154,920.00 : x - Step 2: Convert to fraction form
11,116,478.70/15,341,220.05 = 6,154,920.00/x - Step 3: Cross multiply
11,116,478.70x = 15,341,220.05 × 6,154,920.00 - Step 4: Simplify right side
11,116,478.70x = 94,423,982,196,017.41 - Step 5: Solve for x
x = 94,423,982,196,017.41/11,116,478.70 - Step 6: Final answer
x = 8,494,055.06
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1.5x scale
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.