Finding the Fourth Proportional to 13,312,964.92, 19,970,152.68 and 4,216,023.58
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Solution
The fourth proportional to 13,312,964.92, 19,970,152.68 and 4,216,023.58 is: 6,324,258.73
Step by Step Solution
- Step 1: Write the proportion equation
13,312,964.92 : 19,970,152.68 = 4,216,023.58 : x - Step 2: Convert to fraction form
13,312,964.92/19,970,152.68 = 4,216,023.58/x - Step 3: Cross multiply
13,312,964.92x = 19,970,152.68 × 4,216,023.58 - Step 4: Simplify right side
13,312,964.92x = 84,194,634,595,080.19 - Step 5: Solve for x
x = 84,194,634,595,080.19/13,312,964.92 - Step 6: Final answer
x = 6,324,258.73
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.