Finding the Fourth Proportional to 16,461,344.78, 22,716,652.80 and 9,119,655.06
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Solution
The fourth proportional to 16,461,344.78, 22,716,652.80 and 9,119,655.06 is: 12,585,122.32
Step by Step Solution
- Step 1: Write the proportion equation
16,461,344.78 : 22,716,652.80 = 9,119,655.06 : x - Step 2: Convert to fraction form
16,461,344.78/22,716,652.80 = 9,119,655.06/x - Step 3: Cross multiply
16,461,344.78x = 22,716,652.80 × 9,119,655.06 - Step 4: Simplify right side
16,461,344.78x = 207,168,037,653,783.19 - Step 5: Solve for x
x = 207,168,037,653,783.19/16,461,344.78 - Step 6: Final answer
x = 12,585,122.32
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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.