Finding the Fourth Proportional to 15,092,962.39, 20,828,800.62 and 8,478,718.99
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Solution
The fourth proportional to 15,092,962.39, 20,828,800.62 and 8,478,718.99 is: 11,700,920.12
Step by Step Solution
- Step 1: Write the proportion equation
15,092,962.39 : 20,828,800.62 = 8,478,718.99 : x - Step 2: Convert to fraction form
15,092,962.39/20,828,800.62 = 8,478,718.99/x - Step 3: Cross multiply
15,092,962.39x = 20,828,800.62 × 8,478,718.99 - Step 4: Simplify right side
15,092,962.39x = 176,601,547,355,717.78 - Step 5: Solve for x
x = 176,601,547,355,717.78/15,092,962.39 - Step 6: Final answer
x = 11,700,920.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.