Finding the Fourth Proportional to 47,564,809.70, 65,638,321.00 and 27,986,966.13
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Solution
The fourth proportional to 47,564,809.70, 65,638,321.00 and 27,986,966.13 is: 38,621,356.38
Step by Step Solution
- Step 1: Write the proportion equation
47,564,809.70 : 65,638,321.00 = 27,986,966.13 : x - Step 2: Convert to fraction form
47,564,809.70/65,638,321.00 = 27,986,966.13/x - Step 3: Cross multiply
47,564,809.70x = 65,638,321.00 × 27,986,966.13 - Step 4: Simplify right side
47,564,809.70x = 1,837,017,466,587,100.25 - Step 5: Solve for x
x = 1,837,017,466,587,100.25/47,564,809.70 - Step 6: Final answer
x = 38,621,356.38
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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.