Finding the Fourth Proportional to 31,683,507.99, 43,715,746.35 and 17,932,472.11
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Solution
The fourth proportional to 31,683,507.99, 43,715,746.35 and 17,932,472.11 is: 24,742,569.62
Step by Step Solution
- Step 1: Write the proportion equation
31,683,507.99 : 43,715,746.35 = 17,932,472.11 : x - Step 2: Convert to fraction form
31,683,507.99/43,715,746.35 = 17,932,472.11/x - Step 3: Cross multiply
31,683,507.99x = 43,715,746.35 × 17,932,472.11 - Step 4: Simplify right side
31,683,507.99x = 783,931,402,243,853.88 - Step 5: Solve for x
x = 783,931,402,243,853.88/31,683,507.99 - Step 6: Final answer
x = 24,742,569.62
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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.