Finding the Fourth Proportional to 19,735,710.42, 29,545,839.07 and 11,513,210.99
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Solution
The fourth proportional to 19,735,710.42, 29,545,839.07 and 11,513,210.99 is: 17,236,140.57
Step by Step Solution
- Step 1: Write the proportion equation
19,735,710.42 : 29,545,839.07 = 11,513,210.99 : x - Step 2: Convert to fraction form
19,735,710.42/29,545,839.07 = 11,513,210.99/x - Step 3: Cross multiply
19,735,710.42x = 29,545,839.07 × 11,513,210.99 - Step 4: Simplify right side
19,735,710.42x = 340,167,479,134,576.94 - Step 5: Solve for x
x = 340,167,479,134,576.94/19,735,710.42 - Step 6: Final answer
x = 17,236,140.57
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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.