Finding the Fourth Proportional to 14,242,846.14, 19,655,101.08 and 7,716,637.80
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Solution
The fourth proportional to 14,242,846.14, 19,655,101.08 and 7,716,637.80 is: 10,648,945.76
Step by Step Solution
- Step 1: Write the proportion equation
14,242,846.14 : 19,655,101.08 = 7,716,637.80 : x - Step 2: Convert to fraction form
14,242,846.14/19,655,101.08 = 7,716,637.80/x - Step 3: Cross multiply
14,242,846.14x = 19,655,101.08 × 7,716,637.80 - Step 4: Simplify right side
14,242,846.14x = 151,671,295,956,748.81 - Step 5: Solve for x
x = 151,671,295,956,748.81/14,242,846.14 - Step 6: Final answer
x = 10,648,945.76
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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.