Finding the Fourth Proportional to 19,547,923.56, 26,880,475.14 and 16,965,120.30
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Solution
The fourth proportional to 19,547,923.56, 26,880,475.14 and 16,965,120.30 is: 23,328,845.80
Step by Step Solution
- Step 1: Write the proportion equation
19,547,923.56 : 26,880,475.14 = 16,965,120.30 : x - Step 2: Convert to fraction form
19,547,923.56/26,880,475.14 = 16,965,120.30/x - Step 3: Cross multiply
19,547,923.56x = 26,880,475.14 × 16,965,120.30 - Step 4: Simplify right side
19,547,923.56x = 456,030,494,471,259.38 - Step 5: Solve for x
x = 456,030,494,471,259.38/19,547,923.56 - Step 6: Final answer
x = 23,328,845.80
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1.5x scale
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.