Finding the Fourth Proportional to 23,868,134.19, 32,929,384.95 and 15,612,909.03
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Solution
The fourth proportional to 23,868,134.19, 32,929,384.95 and 15,612,909.03 is: 21,540,162.61
Step by Step Solution
- Step 1: Write the proportion equation
23,868,134.19 : 32,929,384.95 = 15,612,909.03 : x - Step 2: Convert to fraction form
23,868,134.19/32,929,384.95 = 15,612,909.03/x - Step 3: Cross multiply
23,868,134.19x = 32,929,384.95 × 15,612,909.03 - Step 4: Simplify right side
23,868,134.19x = 514,123,491,638,201.06 - Step 5: Solve for x
x = 514,123,491,638,201.06/23,868,134.19 - Step 6: Final answer
x = 21,540,162.61
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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.