Finding the Fourth Proportional to 21,108,751.06, 29,130,132.54 and 11,450,959.06
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Solution
The fourth proportional to 21,108,751.06, 29,130,132.54 and 11,450,959.06 is: 15,802,353.92
Step by Step Solution
- Step 1: Write the proportion equation
21,108,751.06 : 29,130,132.54 = 11,450,959.06 : x - Step 2: Convert to fraction form
21,108,751.06/29,130,132.54 = 11,450,959.06/x - Step 3: Cross multiply
21,108,751.06x = 29,130,132.54 × 11,450,959.06 - Step 4: Simplify right side
21,108,751.06x = 333,567,955,127,913.81 - Step 5: Solve for x
x = 333,567,955,127,913.81/21,108,751.06 - Step 6: Final answer
x = 15,802,353.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.