Finding the Fourth Proportional to 15,585,637.44, 21,509,134.56 and 8,710,668.48
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Solution
The fourth proportional to 15,585,637.44, 21,509,134.56 and 8,710,668.48 is: 12,021,256.18
Step by Step Solution
- Step 1: Write the proportion equation
15,585,637.44 : 21,509,134.56 = 8,710,668.48 : x - Step 2: Convert to fraction form
15,585,637.44/21,509,134.56 = 8,710,668.48/x - Step 3: Cross multiply
15,585,637.44x = 21,509,134.56 × 8,710,668.48 - Step 4: Simplify right side
15,585,637.44x = 187,358,940,443,870.66 - Step 5: Solve for x
x = 187,358,940,443,870.66/15,585,637.44 - Step 6: Final answer
x = 12,021,256.18
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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.