Finding the Fourth Proportional to 35,766,493.36, 49,358,953.06 and 20,088,280.74
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Solution
The fourth proportional to 35,766,493.36, 49,358,953.06 and 20,088,280.74 is: 27,722,497.03
Step by Step Solution
- Step 1: Write the proportion equation
35,766,493.36 : 49,358,953.06 = 20,088,280.74 : x - Step 2: Convert to fraction form
35,766,493.36/49,358,953.06 = 20,088,280.74/x - Step 3: Cross multiply
35,766,493.36x = 49,358,953.06 × 20,088,280.74 - Step 4: Simplify right side
35,766,493.36x = 991,536,506,101,762 - Step 5: Solve for x
x = 991,536,506,101,762/35,766,493.36 - Step 6: Final answer
x = 27,722,497.03
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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.