Finding the Fourth Proportional to 14,242,864.52, 19,655,126.44 and 7,716,656.18
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Solution
The fourth proportional to 14,242,864.52, 19,655,126.44 and 7,716,656.18 is: 10,648,971.11
Step by Step Solution
- Step 1: Write the proportion equation
14,242,864.52 : 19,655,126.44 = 7,716,656.18 : x - Step 2: Convert to fraction form
14,242,864.52/19,655,126.44 = 7,716,656.18/x - Step 3: Cross multiply
14,242,864.52x = 19,655,126.44 × 7,716,656.18 - Step 4: Simplify right side
14,242,864.52x = 151,671,852,794,340.12 - Step 5: Solve for x
x = 151,671,852,794,340.12/14,242,864.52 - Step 6: Final answer
x = 10,648,971.11
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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.