Finding the Fourth Proportional to 42,553,551.84, 63,839,295.12 and 13,797,445.10
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Solution
The fourth proportional to 42,553,551.84, 63,839,295.12 and 13,797,445.10 is: 20,699,075.20
Step by Step Solution
- Step 1: Write the proportion equation
42,553,551.84 : 63,839,295.12 = 13,797,445.10 : x - Step 2: Convert to fraction form
42,553,551.84/63,839,295.12 = 13,797,445.10/x - Step 3: Cross multiply
42,553,551.84x = 63,839,295.12 × 13,797,445.10 - Step 4: Simplify right side
42,553,551.84x = 880,819,169,640,897.88 - Step 5: Solve for x
x = 880,819,169,640,897.88/42,553,551.84 - Step 6: Final answer
x = 20,699,075.20
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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.