Finding the Fourth Proportional to 13,868,386.26, 19,138,937.08 and 7,673,332.20
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Solution
The fourth proportional to 13,868,386.26, 19,138,937.08 and 7,673,332.20 is: 10,589,510.52
Step by Step Solution
- Step 1: Write the proportion equation
13,868,386.26 : 19,138,937.08 = 7,673,332.20 : x - Step 2: Convert to fraction form
13,868,386.26/19,138,937.08 = 7,673,332.20/x - Step 3: Cross multiply
13,868,386.26x = 19,138,937.08 × 7,673,332.20 - Step 4: Simplify right side
13,868,386.26x = 146,859,422,169,737.97 - Step 5: Solve for x
x = 146,859,422,169,737.97/13,868,386.26 - Step 6: Final answer
x = 10,589,510.52
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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.