Finding the Fourth Proportional to 22,130,753.17, 30,540,572.63 and 12,341,816.23
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Solution
The fourth proportional to 22,130,753.17, 30,540,572.63 and 12,341,816.23 is: 17,031,780.71
Step by Step Solution
- Step 1: Write the proportion equation
22,130,753.17 : 30,540,572.63 = 12,341,816.23 : x - Step 2: Convert to fraction form
22,130,753.17/30,540,572.63 = 12,341,816.23/x - Step 3: Cross multiply
22,130,753.17x = 30,540,572.63 × 12,341,816.23 - Step 4: Simplify right side
22,130,753.17x = 376,926,134,958,427.81 - Step 5: Solve for x
x = 376,926,134,958,427.81/22,130,753.17 - Step 6: Final answer
x = 17,031,780.71
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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.