Finding the Fourth Proportional to 42,670,515.84, 63,979,854.44 and 16,731,742.08
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Solution
The fourth proportional to 42,670,515.84, 63,979,854.44 and 16,731,742.08 is: 25,087,449.77
Step by Step Solution
- Step 1: Write the proportion equation
42,670,515.84 : 63,979,854.44 = 16,731,742.08 : x - Step 2: Convert to fraction form
42,670,515.84/63,979,854.44 = 16,731,742.08/x - Step 3: Cross multiply
42,670,515.84x = 63,979,854.44 × 16,731,742.08 - Step 4: Simplify right side
42,670,515.84x = 1,070,494,422,806,022.75 - Step 5: Solve for x
x = 1,070,494,422,806,022.75/42,670,515.84 - Step 6: Final answer
x = 25,087,449.77
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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.