Finding the Fourth Proportional to 56,386,950.42, 84,580,499.79 and 15,446,753.49
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Solution
The fourth proportional to 56,386,950.42, 84,580,499.79 and 15,446,753.49 is: 23,170,150.55
Step by Step Solution
- Step 1: Write the proportion equation
56,386,950.42 : 84,580,499.79 = 15,446,753.49 : x - Step 2: Convert to fraction form
56,386,950.42/84,580,499.79 = 15,446,753.49/x - Step 3: Cross multiply
56,386,950.42x = 84,580,499.79 × 15,446,753.49 - Step 4: Simplify right side
56,386,950.42x = 1,306,494,130,317,127 - Step 5: Solve for x
x = 1,306,494,130,317,127/56,386,950.42 - Step 6: Final answer
x = 23,170,150.55
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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.