Finding the Fourth Proportional to 56,106,806.20, 84,139,214.10 and 19,701,129.40
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Solution
The fourth proportional to 56,106,806.20, 84,139,214.10 and 19,701,129.40 is: 29,544,321.93
Step by Step Solution
- Step 1: Write the proportion equation
56,106,806.20 : 84,139,214.10 = 19,701,129.40 : x - Step 2: Convert to fraction form
56,106,806.20/84,139,214.10 = 19,701,129.40/x - Step 3: Cross multiply
56,106,806.20x = 84,139,214.10 × 19,701,129.40 - Step 4: Simplify right side
56,106,806.20x = 1,657,637,544,598,404.25 - Step 5: Solve for x
x = 1,657,637,544,598,404.25/56,106,806.20 - Step 6: Final answer
x = 29,544,321.93
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.