Finding the Fourth Proportional to 22,754,966.20, 34,132,449.30 and 15,102,215.80
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Solution
The fourth proportional to 22,754,966.20, 34,132,449.30 and 15,102,215.80 is: 22,653,323.70
Step by Step Solution
- Step 1: Write the proportion equation
22,754,966.20 : 34,132,449.30 = 15,102,215.80 : x - Step 2: Convert to fraction form
22,754,966.20/34,132,449.30 = 15,102,215.80/x - Step 3: Cross multiply
22,754,966.20x = 34,132,449.30 × 15,102,215.80 - Step 4: Simplify right side
22,754,966.20x = 515,475,615,111,158.94 - Step 5: Solve for x
x = 515,475,615,111,158.94/22,754,966.20 - Step 6: Final answer
x = 22,653,323.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.