Finding the Fourth Proportional to 26,988,735.36, 37,260,653.76 and 16,689,267.84
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Solution
The fourth proportional to 26,988,735.36, 37,260,653.76 and 16,689,267.84 is: 23,041,206.72
Step by Step Solution
- Step 1: Write the proportion equation
26,988,735.36 : 37,260,653.76 = 16,689,267.84 : x - Step 2: Convert to fraction form
26,988,735.36/37,260,653.76 = 16,689,267.84/x - Step 3: Cross multiply
26,988,735.36x = 37,260,653.76 × 16,689,267.84 - Step 4: Simplify right side
26,988,735.36x = 621,853,030,494,143 - Step 5: Solve for x
x = 621,853,030,494,143/26,988,735.36 - Step 6: Final answer
x = 23,041,206.72
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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.