Finding the Fourth Proportional to 12,696,032.49, 19,041,502.49 and 6,216,315.99
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Solution
The fourth proportional to 12,696,032.49, 19,041,502.49 and 6,216,315.99 is: 9,323,227.28
Step by Step Solution
- Step 1: Write the proportion equation
12,696,032.49 : 19,041,502.49 = 6,216,315.99 : x - Step 2: Convert to fraction form
12,696,032.49/19,041,502.49 = 6,216,315.99/x - Step 3: Cross multiply
12,696,032.49x = 19,041,502.49 × 6,216,315.99 - Step 4: Simplify right side
12,696,032.49x = 118,367,996,402,211.81 - Step 5: Solve for x
x = 118,367,996,402,211.81/12,696,032.49 - Step 6: Final answer
x = 9,323,227.28
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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.