Finding the Fourth Proportional to 28,660,688.84, 39,551,359.92 and 16,270,679.36
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Solution
The fourth proportional to 28,660,688.84, 39,551,359.92 and 16,270,679.36 is: 22,453,315.73
Step by Step Solution
- Step 1: Write the proportion equation
28,660,688.84 : 39,551,359.92 = 16,270,679.36 : x - Step 2: Convert to fraction form
28,660,688.84/39,551,359.92 = 16,270,679.36/x - Step 3: Cross multiply
28,660,688.84x = 39,551,359.92 × 16,270,679.36 - Step 4: Simplify right side
28,660,688.84x = 643,527,495,510,275.25 - Step 5: Solve for x
x = 643,527,495,510,275.25/28,660,688.84 - Step 6: Final answer
x = 22,453,315.73
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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.