Finding the Fourth Proportional to 19,696,471.51, 29,548,693.25 and 6,917,972.66
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Solution
The fourth proportional to 19,696,471.51, 29,548,693.25 and 6,917,972.66 is: 10,378,358.99
Step by Step Solution
- Step 1: Write the proportion equation
19,696,471.51 : 29,548,693.25 = 6,917,972.66 : x - Step 2: Convert to fraction form
19,696,471.51/29,548,693.25 = 6,917,972.66/x - Step 3: Cross multiply
19,696,471.51x = 29,548,693.25 × 6,917,972.66 - Step 4: Simplify right side
19,696,471.51x = 204,417,052,077,085.25 - Step 5: Solve for x
x = 204,417,052,077,085.25/19,696,471.51 - Step 6: Final answer
x = 10,378,358.99
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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.