Finding the Fourth Proportional to 31,257,813.96, 46,861,681.61 and 14,854,865.63
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Solution
The fourth proportional to 31,257,813.96, 46,861,681.61 and 14,854,865.63 is: 22,270,398.82
Step by Step Solution
- Step 1: Write the proportion equation
31,257,813.96 : 46,861,681.61 = 14,854,865.63 : x - Step 2: Convert to fraction form
31,257,813.96/46,861,681.61 = 14,854,865.63/x - Step 3: Cross multiply
31,257,813.96x = 46,861,681.61 × 14,854,865.63 - Step 4: Simplify right side
31,257,813.96x = 696,123,983,203,809.25 - Step 5: Solve for x
x = 696,123,983,203,809.25/31,257,813.96 - Step 6: Final answer
x = 22,270,398.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.