Finding the Fourth Proportional to 28,886,895.18, 39,840,671.16 and 25,394,767.29
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Solution
The fourth proportional to 28,886,895.18, 39,840,671.16 and 25,394,767.29 is: 35,024,344.65
Step by Step Solution
- Step 1: Write the proportion equation
28,886,895.18 : 39,840,671.16 = 25,394,767.29 : x - Step 2: Convert to fraction form
28,886,895.18/39,840,671.16 = 25,394,767.29/x - Step 3: Cross multiply
28,886,895.18x = 39,840,671.16 × 25,394,767.29 - Step 4: Simplify right side
28,886,895.18x = 1,011,744,572,785,614.25 - Step 5: Solve for x
x = 1,011,744,572,785,614.25/28,886,895.18 - Step 6: Final answer
x = 35,024,344.65
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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.