Finding the Fourth Proportional to 19,378,315.80, 29,130,459.30 and 13,737,605.40
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Solution
The fourth proportional to 19,378,315.80, 29,130,459.30 and 13,737,605.40 is: 20,651,059.62
Step by Step Solution
- Step 1: Write the proportion equation
19,378,315.80 : 29,130,459.30 = 13,737,605.40 : x - Step 2: Convert to fraction form
19,378,315.80/29,130,459.30 = 13,737,605.40/x - Step 3: Cross multiply
19,378,315.80x = 29,130,459.30 × 13,737,605.40 - Step 4: Simplify right side
19,378,315.80x = 400,182,754,984,160.25 - Step 5: Solve for x
x = 400,182,754,984,160.25/19,378,315.80 - Step 6: Final answer
x = 20,651,059.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.