Finding the Fourth Proportional to 16,864,931.68, 23,273,613.36 and 9,129,973.84
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Solution
The fourth proportional to 16,864,931.68, 23,273,613.36 and 9,129,973.84 is: 12,599,368.04
Step by Step Solution
- Step 1: Write the proportion equation
16,864,931.68 : 23,273,613.36 = 9,129,973.84 : x - Step 2: Convert to fraction form
16,864,931.68/23,273,613.36 = 9,129,973.84/x - Step 3: Cross multiply
16,864,931.68x = 23,273,613.36 × 9,129,973.84 - Step 4: Simplify right side
16,864,931.68x = 212,487,481,139,074.50 - Step 5: Solve for x
x = 212,487,481,139,074.50/16,864,931.68 - Step 6: Final answer
x = 12,599,368.04
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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.