Finding the Fourth Proportional to 17,636,681.99, 26,455,112.16 and 5,505,128.49
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Solution
The fourth proportional to 17,636,681.99, 26,455,112.16 and 5,505,128.49 is: 8,257,720.57
Step by Step Solution
- Step 1: Write the proportion equation
17,636,681.99 : 26,455,112.16 = 5,505,128.49 : x - Step 2: Convert to fraction form
17,636,681.99/26,455,112.16 = 5,505,128.49/x - Step 3: Cross multiply
17,636,681.99x = 26,455,112.16 × 5,505,128.49 - Step 4: Simplify right side
17,636,681.99x = 145,638,791,658,161.44 - Step 5: Solve for x
x = 145,638,791,658,161.44/17,636,681.99 - Step 6: Final answer
x = 8,257,720.57
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.