Finding the Fourth Proportional to 13,044,528.16, 18,001,966.80 and 7,537,720.48
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Solution
The fourth proportional to 13,044,528.16, 18,001,966.80 and 7,537,720.48 is: 10,402,353.55
Step by Step Solution
- Step 1: Write the proportion equation
13,044,528.16 : 18,001,966.80 = 7,537,720.48 : x - Step 2: Convert to fraction form
13,044,528.16/18,001,966.80 = 7,537,720.48/x - Step 3: Cross multiply
13,044,528.16x = 18,001,966.80 × 7,537,720.48 - Step 4: Simplify right side
13,044,528.16x = 135,693,793,828,640.08 - Step 5: Solve for x
x = 135,693,793,828,640.08/13,044,528.16 - Step 6: Final answer
x = 10,402,353.55
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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.