Finding the Fourth Proportional to 25,596,023.79, 38,408,207.21 and 15,335,669.55
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Solution
The fourth proportional to 25,596,023.79, 38,408,207.21 and 15,335,669.55 is: 23,011,995.09
Step by Step Solution
- Step 1: Write the proportion equation
25,596,023.79 : 38,408,207.21 = 15,335,669.55 : x - Step 2: Convert to fraction form
25,596,023.79/38,408,207.21 = 15,335,669.55/x - Step 3: Cross multiply
25,596,023.79x = 38,408,207.21 × 15,335,669.55 - Step 4: Simplify right side
25,596,023.79x = 589,015,573,703,809.12 - Step 5: Solve for x
x = 589,015,573,703,809.12/25,596,023.79 - Step 6: Final answer
x = 23,011,995.09
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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.