Finding the Fourth Proportional to 15,585,617.19, 21,509,106.75 and 8,710,648.23
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Solution
The fourth proportional to 15,585,617.19, 21,509,106.75 and 8,710,648.23 is: 12,021,228.31
Step by Step Solution
- Step 1: Write the proportion equation
15,585,617.19 : 21,509,106.75 = 8,710,648.23 : x - Step 2: Convert to fraction form
15,585,617.19/21,509,106.75 = 8,710,648.23/x - Step 3: Cross multiply
15,585,617.19x = 21,509,106.75 × 8,710,648.23 - Step 4: Simplify right side
15,585,617.19x = 187,358,262,640,768.56 - Step 5: Solve for x
x = 187,358,262,640,768.56/15,585,617.19 - Step 6: Final answer
x = 12,021,228.31
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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.