Finding the Fourth Proportional to 31,351,030.02, 47,029,513.14 and 12,183,265.26
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Solution
The fourth proportional to 31,351,030.02, 47,029,513.14 and 12,183,265.26 is: 18,276,051.32
Step by Step Solution
- Step 1: Write the proportion equation
31,351,030.02 : 47,029,513.14 = 12,183,265.26 : x - Step 2: Convert to fraction form
31,351,030.02/47,029,513.14 = 12,183,265.26/x - Step 3: Cross multiply
31,351,030.02x = 47,029,513.14 × 12,183,265.26 - Step 4: Simplify right side
31,351,030.02x = 572,973,033,633,275.50 - Step 5: Solve for x
x = 572,973,033,633,275.50/31,351,030.02 - Step 6: Final answer
x = 18,276,051.32
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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.