Finding the Fourth Proportional to 21,261,378, 31,896,718.18 and 6,885,898.94
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Solution
The fourth proportional to 21,261,378, 31,896,718.18 and 6,885,898.94 is: 10,330,354.78
Step by Step Solution
- Step 1: Write the proportion equation
21,261,378 : 31,896,718.18 = 6,885,898.94 : x - Step 2: Convert to fraction form
21,261,378/31,896,718.18 = 6,885,898.94/x - Step 3: Cross multiply
21,261,378x = 31,896,718.18 × 6,885,898.94 - Step 4: Simplify right side
21,261,378x = 219,637,577,905,140.75 - Step 5: Solve for x
x = 219,637,577,905,140.75/21,261,378 - Step 6: Final answer
x = 10,330,354.78
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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.