Finding the Fourth Proportional to 8,735,867.36, 12,054,966.64 and 4,815,451.68
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Solution
The fourth proportional to 8,735,867.36, 12,054,966.64 and 4,815,451.68 is: 6,645,030.99
Step by Step Solution
- Step 1: Write the proportion equation
8,735,867.36 : 12,054,966.64 = 4,815,451.68 : x - Step 2: Convert to fraction form
8,735,867.36/12,054,966.64 = 4,815,451.68/x - Step 3: Cross multiply
8,735,867.36x = 12,054,966.64 × 4,815,451.68 - Step 4: Simplify right side
8,735,867.36x = 58,050,109,358,931.95 - Step 5: Solve for x
x = 58,050,109,358,931.95/8,735,867.36 - Step 6: Final answer
x = 6,645,030.99
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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.