Finding the Fourth Proportional to 17,221,887.74, 23,766,263.80 and 9,486,911.60
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Solution
The fourth proportional to 17,221,887.74, 23,766,263.80 and 9,486,911.60 is: 13,091,970.35
Step by Step Solution
- Step 1: Write the proportion equation
17,221,887.74 : 23,766,263.80 = 9,486,911.60 : x - Step 2: Convert to fraction form
17,221,887.74/23,766,263.80 = 9,486,911.60/x - Step 3: Cross multiply
17,221,887.74x = 23,766,263.80 × 9,486,911.60 - Step 4: Simplify right side
17,221,887.74x = 225,468,443,732,880.09 - Step 5: Solve for x
x = 225,468,443,732,880.09/17,221,887.74 - Step 6: Final answer
x = 13,091,970.35
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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.