Finding the Fourth Proportional to 8,713,036.70, 13,069,555.05 and 5,349,139.10
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Solution
The fourth proportional to 8,713,036.70, 13,069,555.05 and 5,349,139.10 is: 8,023,708.65
Step by Step Solution
- Step 1: Write the proportion equation
8,713,036.70 : 13,069,555.05 = 5,349,139.10 : x - Step 2: Convert to fraction form
8,713,036.70/13,069,555.05 = 5,349,139.10/x - Step 3: Cross multiply
8,713,036.70x = 13,069,555.05 × 5,349,139.10 - Step 4: Simplify right side
8,713,036.70x = 69,910,867,937,557.45 - Step 5: Solve for x
x = 69,910,867,937,557.45/8,713,036.70 - Step 6: Final answer
x = 8,023,708.65
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Double scale
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Similar ratio
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1.5x scale
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.