Finding the Fourth Proportional to 36,831,966.84, 50,829,007.41 and 20,312,331.12
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Solution
The fourth proportional to 36,831,966.84, 50,829,007.41 and 20,312,331.12 is: 28,031,509.52
Step by Step Solution
- Step 1: Write the proportion equation
36,831,966.84 : 50,829,007.41 = 20,312,331.12 : x - Step 2: Convert to fraction form
36,831,966.84/50,829,007.41 = 20,312,331.12/x - Step 3: Cross multiply
36,831,966.84x = 50,829,007.41 × 20,312,331.12 - Step 4: Simplify right side
36,831,966.84x = 1,032,455,629,012,853.62 - Step 5: Solve for x
x = 1,032,455,629,012,853.62/36,831,966.84 - Step 6: Final answer
x = 28,031,509.52
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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.