Finding the Fourth Proportional to 26,293,788.30, 39,440,682.45 and 15,676,956.30
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Solution
The fourth proportional to 26,293,788.30, 39,440,682.45 and 15,676,956.30 is: 23,515,434.45
Step by Step Solution
- Step 1: Write the proportion equation
26,293,788.30 : 39,440,682.45 = 15,676,956.30 : x - Step 2: Convert to fraction form
26,293,788.30/39,440,682.45 = 15,676,956.30/x - Step 3: Cross multiply
26,293,788.30x = 39,440,682.45 × 15,676,956.30 - Step 4: Simplify right side
26,293,788.30x = 618,309,855,210,827 - Step 5: Solve for x
x = 618,309,855,210,827/26,293,788.30 - Step 6: Final answer
x = 23,515,434.45
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1.5x scale
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.