Finding the Fourth Proportional to 22,391,067.24, 30,909,206.88 and 15,053,156.28
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Solution
The fourth proportional to 22,391,067.24, 30,909,206.88 and 15,053,156.28 is: 20,779,765.28
Step by Step Solution
- Step 1: Write the proportion equation
22,391,067.24 : 30,909,206.88 = 15,053,156.28 : x - Step 2: Convert to fraction form
22,391,067.24/30,909,206.88 = 15,053,156.28/x - Step 3: Cross multiply
22,391,067.24x = 30,909,206.88 × 15,053,156.28 - Step 4: Simplify right side
22,391,067.24x = 465,281,121,655,491.19 - Step 5: Solve for x
x = 465,281,121,655,491.19/22,391,067.24 - Step 6: Final answer
x = 20,779,765.28
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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.