Finding the Fourth Proportional to 13,432,432.98, 20,148,637.16 and 4,210,471.81
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Solution
The fourth proportional to 13,432,432.98, 20,148,637.16 and 4,210,471.81 is: 6,315,703.85
Step by Step Solution
- Step 1: Write the proportion equation
13,432,432.98 : 20,148,637.16 = 4,210,471.81 : x - Step 2: Convert to fraction form
13,432,432.98/20,148,637.16 = 4,210,471.81/x - Step 3: Cross multiply
13,432,432.98x = 20,148,637.16 × 4,210,471.81 - Step 4: Simplify right side
13,432,432.98x = 84,835,268,671,355.27 - Step 5: Solve for x
x = 84,835,268,671,355.27/13,432,432.98 - Step 6: Final answer
x = 6,315,703.85
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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.