Finding the Fourth Proportional to 36,849,811.96, 55,281,802.74 and 14,128,937.32
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Solution
The fourth proportional to 36,849,811.96, 55,281,802.74 and 14,128,937.32 is: 21,196,122.43
Step by Step Solution
- Step 1: Write the proportion equation
36,849,811.96 : 55,281,802.74 = 14,128,937.32 : x - Step 2: Convert to fraction form
36,849,811.96/55,281,802.74 = 14,128,937.32/x - Step 3: Cross multiply
36,849,811.96x = 55,281,802.74 × 14,128,937.32 - Step 4: Simplify right side
36,849,811.96x = 781,073,125,850,064.25 - Step 5: Solve for x
x = 781,073,125,850,064.25/36,849,811.96 - Step 6: Final answer
x = 21,196,122.43
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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.