Finding the Fourth Proportional to 52,486,772.84, 78,765,276.18 and 21,781,351.16
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Solution
The fourth proportional to 52,486,772.84, 78,765,276.18 and 21,781,351.16 is: 32,686,599.82
Step by Step Solution
- Step 1: Write the proportion equation
52,486,772.84 : 78,765,276.18 = 21,781,351.16 : x - Step 2: Convert to fraction form
52,486,772.84/78,765,276.18 = 21,781,351.16/x - Step 3: Cross multiply
52,486,772.84x = 78,765,276.18 × 21,781,351.16 - Step 4: Simplify right side
52,486,772.84x = 1,715,614,139,690,963.50 - Step 5: Solve for x
x = 1,715,614,139,690,963.50/52,486,772.84 - Step 6: Final answer
x = 32,686,599.82
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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.