Finding the Fourth Proportional to 32,258,638.80, 48,386,921.40 and 10,694,235.60
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Solution
The fourth proportional to 32,258,638.80, 48,386,921.40 and 10,694,235.60 is: 16,041,009.68
Step by Step Solution
- Step 1: Write the proportion equation
32,258,638.80 : 48,386,921.40 = 10,694,235.60 : x - Step 2: Convert to fraction form
32,258,638.80/48,386,921.40 = 10,694,235.60/x - Step 3: Cross multiply
32,258,638.80x = 48,386,921.40 × 10,694,235.60 - Step 4: Simplify right side
32,258,638.80x = 517,461,137,410,281.81 - Step 5: Solve for x
x = 517,461,137,410,281.81/32,258,638.80 - Step 6: Final answer
x = 16,041,009.68
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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.