Finding the Fourth Proportional to 15,168,897.18, 22,742,721.81 and 5,583,033.18
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Solution
The fourth proportional to 15,168,897.18, 22,742,721.81 and 5,583,033.18 is: 8,370,639.54
Step by Step Solution
- Step 1: Write the proportion equation
15,168,897.18 : 22,742,721.81 = 5,583,033.18 : x - Step 2: Convert to fraction form
15,168,897.18/22,742,721.81 = 5,583,033.18/x - Step 3: Cross multiply
15,168,897.18x = 22,742,721.81 × 5,583,033.18 - Step 4: Simplify right side
15,168,897.18x = 126,973,370,468,739.64 - Step 5: Solve for x
x = 126,973,370,468,739.64/15,168,897.18 - Step 6: Final answer
x = 8,370,639.54
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1.5x scale
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.