Finding the Fourth Proportional to 27,243,430.29, 40,875,109.97 and 12,677,296.79
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Solution
The fourth proportional to 27,243,430.29, 40,875,109.97 and 12,677,296.79 is: 19,020,582.02
Step by Step Solution
- Step 1: Write the proportion equation
27,243,430.29 : 40,875,109.97 = 12,677,296.79 : x - Step 2: Convert to fraction form
27,243,430.29/40,875,109.97 = 12,677,296.79/x - Step 3: Cross multiply
27,243,430.29x = 40,875,109.97 × 12,677,296.79 - Step 4: Simplify right side
27,243,430.29x = 518,185,900,452,379.38 - Step 5: Solve for x
x = 518,185,900,452,379.38/27,243,430.29 - Step 6: Final answer
x = 19,020,582.02
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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.