Finding the Fourth Proportional to 42,843,303.35, 64,220,106.09 and 17,929,988.66
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Solution
The fourth proportional to 42,843,303.35, 64,220,106.09 and 17,929,988.66 is: 26,876,213.64
Step by Step Solution
- Step 1: Write the proportion equation
42,843,303.35 : 64,220,106.09 = 17,929,988.66 : x - Step 2: Convert to fraction form
42,843,303.35/64,220,106.09 = 17,929,988.66/x - Step 3: Cross multiply
42,843,303.35x = 64,220,106.09 × 17,929,988.66 - Step 4: Simplify right side
42,843,303.35x = 1,151,465,773,949,043.25 - Step 5: Solve for x
x = 1,151,465,773,949,043.25/42,843,303.35 - Step 6: Final answer
x = 26,876,213.64
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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.