Finding the Fourth Proportional to 17,209,206.61, 23,750,420.66 and 12,850,726.10
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Solution
The fourth proportional to 17,209,206.61, 23,750,420.66 and 12,850,726.10 is: 17,735,283.07
Step by Step Solution
- Step 1: Write the proportion equation
17,209,206.61 : 23,750,420.66 = 12,850,726.10 : x - Step 2: Convert to fraction form
17,209,206.61/23,750,420.66 = 12,850,726.10/x - Step 3: Cross multiply
17,209,206.61x = 23,750,420.66 × 12,850,726.10 - Step 4: Simplify right side
17,209,206.61x = 305,210,150,656,563.62 - Step 5: Solve for x
x = 305,210,150,656,563.62/17,209,206.61 - Step 6: Final answer
x = 17,735,283.07
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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.