Finding the Fourth Proportional to 42,627,302.19, 58,812,248.34 and 26,090,186.87
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Solution
The fourth proportional to 42,627,302.19, 58,812,248.34 and 26,090,186.87 is: 35,996,238.81
Step by Step Solution
- Step 1: Write the proportion equation
42,627,302.19 : 58,812,248.34 = 26,090,186.87 : x - Step 2: Convert to fraction form
42,627,302.19/58,812,248.34 = 26,090,186.87/x - Step 3: Cross multiply
42,627,302.19x = 58,812,248.34 × 26,090,186.87 - Step 4: Simplify right side
42,627,302.19x = 1,534,422,549,582,478 - Step 5: Solve for x
x = 1,534,422,549,582,478/42,627,302.19 - Step 6: Final answer
x = 35,996,238.81
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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.