Finding the Fourth Proportional to 22,390,950.99, 30,909,046.35 and 15,053,040.06
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Solution
The fourth proportional to 22,390,950.99, 30,909,046.35 and 15,053,040.06 is: 20,779,604.81
Step by Step Solution
- Step 1: Write the proportion equation
22,390,950.99 : 30,909,046.35 = 15,053,040.06 : x - Step 2: Convert to fraction form
22,390,950.99/30,909,046.35 = 15,053,040.06/x - Step 3: Cross multiply
22,390,950.99x = 30,909,046.35 × 15,053,040.06 - Step 4: Simplify right side
22,390,950.99x = 465,275,112,922,946.81 - Step 5: Solve for x
x = 465,275,112,922,946.81/22,390,950.99 - Step 6: Final answer
x = 20,779,604.81
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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.