Finding the Fourth Proportional to 42,706,936.58, 58,935,264.41 and 23,127,370.74
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Solution
The fourth proportional to 42,706,936.58, 58,935,264.41 and 23,127,370.74 is: 31,915,604.79
Step by Step Solution
- Step 1: Write the proportion equation
42,706,936.58 : 58,935,264.41 = 23,127,370.74 : x - Step 2: Convert to fraction form
42,706,936.58/58,935,264.41 = 23,127,370.74/x - Step 3: Cross multiply
42,706,936.58x = 58,935,264.41 × 23,127,370.74 - Step 4: Simplify right side
42,706,936.58x = 1,363,017,709,727,815.75 - Step 5: Solve for x
x = 1,363,017,709,727,815.75/42,706,936.58 - Step 6: Final answer
x = 31,915,604.79
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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.