Finding the Fourth Proportional to 23,283,914.47, 32,130,354.19 and 12,829,345.75
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Solution
The fourth proportional to 23,283,914.47, 32,130,354.19 and 12,829,345.75 is: 17,703,699.41
Step by Step Solution
- Step 1: Write the proportion equation
23,283,914.47 : 32,130,354.19 = 12,829,345.75 : x - Step 2: Convert to fraction form
23,283,914.47/32,130,354.19 = 12,829,345.75/x - Step 3: Cross multiply
23,283,914.47x = 32,130,354.19 × 12,829,345.75 - Step 4: Simplify right side
23,283,914.47x = 412,211,422,973,471.19 - Step 5: Solve for x
x = 412,211,422,973,471.19/23,283,914.47 - Step 6: Final answer
x = 17,703,699.41
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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.