Finding the Fourth Proportional to 26,480,257.86, 39,720,328.02 and 7,049,488.62
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Solution
The fourth proportional to 26,480,257.86, 39,720,328.02 and 7,049,488.62 is: 10,574,217.28
Step by Step Solution
- Step 1: Write the proportion equation
26,480,257.86 : 39,720,328.02 = 7,049,488.62 : x - Step 2: Convert to fraction form
26,480,257.86/39,720,328.02 = 7,049,488.62/x - Step 3: Cross multiply
26,480,257.86x = 39,720,328.02 × 7,049,488.62 - Step 4: Simplify right side
26,480,257.86x = 280,008,000,359,657.16 - Step 5: Solve for x
x = 280,008,000,359,657.16/26,480,257.86 - Step 6: Final answer
x = 10,574,217.28
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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.