Finding the Fourth Proportional to 42,276,798.60, 63,399,643.20 and 14,603,673.62
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Solution
The fourth proportional to 42,276,798.60, 63,399,643.20 and 14,603,673.62 is: 21,900,137.37
Step by Step Solution
- Step 1: Write the proportion equation
42,276,798.60 : 63,399,643.20 = 14,603,673.62 : x - Step 2: Convert to fraction form
42,276,798.60/63,399,643.20 = 14,603,673.62/x - Step 3: Cross multiply
42,276,798.60x = 63,399,643.20 × 14,603,673.62 - Step 4: Simplify right side
42,276,798.60x = 925,867,696,917,252.38 - Step 5: Solve for x
x = 925,867,696,917,252.38/42,276,798.60 - Step 6: Final answer
x = 21,900,137.37
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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.