Finding the Fourth Proportional to 38,215,964.70, 52,742,387.79 and 22,746,098.70
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Solution
The fourth proportional to 38,215,964.70, 52,742,387.79 and 22,746,098.70 is: 31,392,209.19
Step by Step Solution
- Step 1: Write the proportion equation
38,215,964.70 : 52,742,387.79 = 22,746,098.70 : x - Step 2: Convert to fraction form
38,215,964.70/52,742,387.79 = 22,746,098.70/x - Step 3: Cross multiply
38,215,964.70x = 52,742,387.79 × 22,746,098.70 - Step 4: Simplify right side
38,215,964.70x = 1,199,683,558,345,014.75 - Step 5: Solve for x
x = 1,199,683,558,345,014.75/38,215,964.70 - Step 6: Final answer
x = 31,392,209.19
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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.