Finding the Fourth Proportional to 57,929,502.80, 86,905,918.20 and 16,988,862.80
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Solution
The fourth proportional to 57,929,502.80, 86,905,918.20 and 16,988,862.80 is: 25,486,714.88
Step by Step Solution
- Step 1: Write the proportion equation
57,929,502.80 : 86,905,918.20 = 16,988,862.80 : x - Step 2: Convert to fraction form
57,929,502.80/86,905,918.20 = 16,988,862.80/x - Step 3: Cross multiply
57,929,502.80x = 86,905,918.20 × 16,988,862.80 - Step 4: Simplify right side
57,929,502.80x = 1,476,432,720,807,823 - Step 5: Solve for x
x = 1,476,432,720,807,823/57,929,502.80 - Step 6: Final answer
x = 25,486,714.88
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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.