Finding the Fourth Proportional to 19,894,471.20, 29,841,705.06 and 5,517,538.74
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Solution
The fourth proportional to 19,894,471.20, 29,841,705.06 and 5,517,538.74 is: 8,276,307.63
Step by Step Solution
- Step 1: Write the proportion equation
19,894,471.20 : 29,841,705.06 = 5,517,538.74 : x - Step 2: Convert to fraction form
19,894,471.20/29,841,705.06 = 5,517,538.74/x - Step 3: Cross multiply
19,894,471.20x = 29,841,705.06 × 5,517,538.74 - Step 4: Simplify right side
19,894,471.20x = 164,652,763,736,204.03 - Step 5: Solve for x
x = 164,652,763,736,204.03/19,894,471.20 - Step 6: Final answer
x = 8,276,307.63
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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.