Finding the Fourth Proportional to 47,246,806.20, 65,209,047.75 and 27,666,551.46
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Solution
The fourth proportional to 47,246,806.20, 65,209,047.75 and 27,666,551.46 is: 38,184,792.17
Step by Step Solution
- Step 1: Write the proportion equation
47,246,806.20 : 65,209,047.75 = 27,666,551.46 : x - Step 2: Convert to fraction form
47,246,806.20/65,209,047.75 = 27,666,551.46/x - Step 3: Cross multiply
47,246,806.20x = 65,209,047.75 × 27,666,551.46 - Step 4: Simplify right side
47,246,806.20x = 1,804,109,475,232,972.25 - Step 5: Solve for x
x = 1,804,109,475,232,972.25/47,246,806.20 - Step 6: Final answer
x = 38,184,792.17
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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.