Finding the Fourth Proportional to 12,637,392.96, 18,944,459.68 and 6,871,703.04
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Solution
The fourth proportional to 12,637,392.96, 18,944,459.68 and 6,871,703.04 is: 10,301,230.77
Step by Step Solution
- Step 1: Write the proportion equation
12,637,392.96 : 18,944,459.68 = 6,871,703.04 : x - Step 2: Convert to fraction form
12,637,392.96/18,944,459.68 = 6,871,703.04/x - Step 3: Cross multiply
12,637,392.96x = 18,944,459.68 × 6,871,703.04 - Step 4: Simplify right side
12,637,392.96x = 130,180,701,174,213.42 - Step 5: Solve for x
x = 130,180,701,174,213.42/12,637,392.96 - Step 6: Final answer
x = 10,301,230.77
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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.