Finding the Fourth Proportional to 29,499,133.05, 40,708,974.20 and 16,447,204.53
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Solution
The fourth proportional to 29,499,133.05, 40,708,974.20 and 16,447,204.53 is: 22,697,237.36
Step by Step Solution
- Step 1: Write the proportion equation
29,499,133.05 : 40,708,974.20 = 16,447,204.53 : x - Step 2: Convert to fraction form
29,499,133.05/40,708,974.20 = 16,447,204.53/x - Step 3: Cross multiply
29,499,133.05x = 40,708,974.20 × 16,447,204.53 - Step 4: Simplify right side
29,499,133.05x = 669,548,824,791,657.12 - Step 5: Solve for x
x = 669,548,824,791,657.12/29,499,133.05 - Step 6: Final answer
x = 22,697,237.36
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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.