Finding the Fourth Proportional to 31,930,054.08, 47,913,979.68 and 11,749,467.84
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Solution
The fourth proportional to 31,930,054.08, 47,913,979.68 and 11,749,467.84 is: 17,631,155.96
Step by Step Solution
- Step 1: Write the proportion equation
31,930,054.08 : 47,913,979.68 = 11,749,467.84 : x - Step 2: Convert to fraction form
31,930,054.08/47,913,979.68 = 11,749,467.84/x - Step 3: Cross multiply
31,930,054.08x = 47,913,979.68 × 11,749,467.84 - Step 4: Simplify right side
31,930,054.08x = 562,963,763,336,573.50 - Step 5: Solve for x
x = 562,963,763,336,573.50/31,930,054.08 - Step 6: Final answer
x = 17,631,155.96
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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.