Finding the Fourth Proportional to 10,328,574.99, 15,490,094.56 and 3,138,178.26
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Solution
The fourth proportional to 10,328,574.99, 15,490,094.56 and 3,138,178.26 is: 4,706,426.40
Step by Step Solution
- Step 1: Write the proportion equation
10,328,574.99 : 15,490,094.56 = 3,138,178.26 : x - Step 2: Convert to fraction form
10,328,574.99/15,490,094.56 = 3,138,178.26/x - Step 3: Cross multiply
10,328,574.99x = 15,490,094.56 × 3,138,178.26 - Step 4: Simplify right side
10,328,574.99x = 48,610,677,962,530.98 - Step 5: Solve for x
x = 48,610,677,962,530.98/10,328,574.99 - Step 6: Final answer
x = 4,706,426.40
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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.