Finding the Fourth Proportional to 19,683,527.40, 29,525,291.10 and 19,418,106.60
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Solution
The fourth proportional to 19,683,527.40, 29,525,291.10 and 19,418,106.60 is: 29,127,159.90
Step by Step Solution
- Step 1: Write the proportion equation
19,683,527.40 : 29,525,291.10 = 19,418,106.60 : x - Step 2: Convert to fraction form
19,683,527.40/29,525,291.10 = 19,418,106.60/x - Step 3: Cross multiply
19,683,527.40x = 29,525,291.10 × 19,418,106.60 - Step 4: Simplify right side
19,683,527.40x = 573,325,249,975,831.38 - Step 5: Solve for x
x = 573,325,249,975,831.38/19,683,527.40 - Step 6: Final answer
x = 29,127,159.90
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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.