Finding the Fourth Proportional to 13,432,433.48, 20,148,637.91 and 4,210,472.31
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Solution
The fourth proportional to 13,432,433.48, 20,148,637.91 and 4,210,472.31 is: 6,315,704.60
Step by Step Solution
- Step 1: Write the proportion equation
13,432,433.48 : 20,148,637.91 = 4,210,472.31 : x - Step 2: Convert to fraction form
13,432,433.48/20,148,637.91 = 4,210,472.31/x - Step 3: Cross multiply
13,432,433.48x = 20,148,637.91 × 4,210,472.31 - Step 4: Simplify right side
13,432,433.48x = 84,835,281,903,528.08 - Step 5: Solve for x
x = 84,835,281,903,528.08/13,432,433.48 - Step 6: Final answer
x = 6,315,704.60
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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.