Finding the Fourth Proportional to 17,477,031.74, 24,128,637.74 and 15,537,927.11
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Solution
The fourth proportional to 17,477,031.74, 24,128,637.74 and 15,537,927.11 is: 21,451,526.78
Step by Step Solution
- Step 1: Write the proportion equation
17,477,031.74 : 24,128,637.74 = 15,537,927.11 : x - Step 2: Convert to fraction form
17,477,031.74/24,128,637.74 = 15,537,927.11/x - Step 3: Cross multiply
17,477,031.74x = 24,128,637.74 × 15,537,927.11 - Step 4: Simplify right side
17,477,031.74x = 374,909,014,269,382.31 - Step 5: Solve for x
x = 374,909,014,269,382.31/17,477,031.74 - Step 6: Final answer
x = 21,451,526.78
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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.