Finding the Fourth Proportional to 22,747,101.68, 31,390,998 and 12,433,865.96
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Solution
The fourth proportional to 22,747,101.68, 31,390,998 and 12,433,865.96 is: 17,158,733.76
Step by Step Solution
- Step 1: Write the proportion equation
22,747,101.68 : 31,390,998 = 12,433,865.96 : x - Step 2: Convert to fraction form
22,747,101.68/31,390,998 = 12,433,865.96/x - Step 3: Cross multiply
22,747,101.68x = 31,390,998 × 12,433,865.96 - Step 4: Simplify right side
22,747,101.68x = 390,311,461,482,628.12 - Step 5: Solve for x
x = 390,311,461,482,628.12/22,747,101.68 - Step 6: Final answer
x = 17,158,733.76
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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.