Finding the Fourth Proportional to 48,414,961.95, 66,812,215.87 and 26,388,460.23
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Solution
The fourth proportional to 48,414,961.95, 66,812,215.87 and 26,388,460.23 is: 36,415,839.86
Step by Step Solution
- Step 1: Write the proportion equation
48,414,961.95 : 66,812,215.87 = 26,388,460.23 : x - Step 2: Convert to fraction form
48,414,961.95/66,812,215.87 = 26,388,460.23/x - Step 3: Cross multiply
48,414,961.95x = 66,812,215.87 × 26,388,460.23 - Step 4: Simplify right side
48,414,961.95x = 1,763,071,501,363,669.75 - Step 5: Solve for x
x = 1,763,071,501,363,669.75/48,414,961.95 - Step 6: Final answer
x = 36,415,839.86
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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.