Finding the Fourth Proportional to 26,418,730.08, 39,582,919.76 and 20,659,239.64
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Solution
The fourth proportional to 26,418,730.08, 39,582,919.76 and 20,659,239.64 is: 30,953,532.68
Step by Step Solution
- Step 1: Write the proportion equation
26,418,730.08 : 39,582,919.76 = 20,659,239.64 : x - Step 2: Convert to fraction form
26,418,730.08/39,582,919.76 = 20,659,239.64/x - Step 3: Cross multiply
26,418,730.08x = 39,582,919.76 × 20,659,239.64 - Step 4: Simplify right side
26,418,730.08x = 817,753,024,972,731.25 - Step 5: Solve for x
x = 817,753,024,972,731.25/26,418,730.08 - Step 6: Final answer
x = 30,953,532.68
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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.