Finding the Fourth Proportional to 38,697,347.81, 58,046,013.07 and 14,107,117.99
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Solution
The fourth proportional to 38,697,347.81, 58,046,013.07 and 14,107,117.99 is: 21,160,673.83
Step by Step Solution
- Step 1: Write the proportion equation
38,697,347.81 : 58,046,013.07 = 14,107,117.99 : x - Step 2: Convert to fraction form
38,697,347.81/58,046,013.07 = 14,107,117.99/x - Step 3: Cross multiply
38,697,347.81x = 58,046,013.07 × 14,107,117.99 - Step 4: Simplify right side
38,697,347.81x = 818,861,955,227,572.12 - Step 5: Solve for x
x = 818,861,955,227,572.12/38,697,347.81 - Step 6: Final answer
x = 21,160,673.83
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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.