Finding the Fourth Proportional to 42,616,274.81, 58,771,238.84 and 27,926,605.87
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Solution
The fourth proportional to 42,616,274.81, 58,771,238.84 and 27,926,605.87 is: 38,513,014.82
Step by Step Solution
- Step 1: Write the proportion equation
42,616,274.81 : 58,771,238.84 = 27,926,605.87 : x - Step 2: Convert to fraction form
42,616,274.81/58,771,238.84 = 27,926,605.87/x - Step 3: Cross multiply
42,616,274.81x = 58,771,238.84 × 27,926,605.87 - Step 4: Simplify right side
42,616,274.81x = 1,641,281,223,289,754.75 - Step 5: Solve for x
x = 1,641,281,223,289,754.75/42,616,274.81 - Step 6: Final answer
x = 38,513,014.82
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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.