Finding the Fourth Proportional to 13,236,368.17, 19,855,695.90 and 3,651,746.71
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Solution
The fourth proportional to 13,236,368.17, 19,855,695.90 and 3,651,746.71 is: 5,477,935.58
Step by Step Solution
- Step 1: Write the proportion equation
13,236,368.17 : 19,855,695.90 = 3,651,746.71 : x - Step 2: Convert to fraction form
13,236,368.17/19,855,695.90 = 3,651,746.71/x - Step 3: Cross multiply
13,236,368.17x = 19,855,695.90 × 3,651,746.71 - Step 4: Simplify right side
13,236,368.17x = 72,507,972,177,585.48 - Step 5: Solve for x
x = 72,507,972,177,585.48/13,236,368.17 - Step 6: Final answer
x = 5,477,935.58
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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.