Finding the Fourth Proportional to 13,652,594.84, 18,840,645.05 and 7,457,727.35
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Solution
The fourth proportional to 13,652,594.84, 18,840,645.05 and 7,457,727.35 is: 10,291,698.80
Step by Step Solution
- Step 1: Write the proportion equation
13,652,594.84 : 18,840,645.05 = 7,457,727.35 : x - Step 2: Convert to fraction form
13,652,594.84/18,840,645.05 = 7,457,727.35/x - Step 3: Cross multiply
13,652,594.84x = 18,840,645.05 × 7,457,727.35 - Step 4: Simplify right side
13,652,594.84x = 140,508,393,881,027.11 - Step 5: Solve for x
x = 140,508,393,881,027.11/13,652,594.84 - Step 6: Final answer
x = 10,291,698.80
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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.