Finding the Fourth Proportional to 22,116,774.36, 30,506,900.75 and 14,674,275.31
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Solution
The fourth proportional to 22,116,774.36, 30,506,900.75 and 14,674,275.31 is: 20,241,046.60
Step by Step Solution
- Step 1: Write the proportion equation
22,116,774.36 : 30,506,900.75 = 14,674,275.31 : x - Step 2: Convert to fraction form
22,116,774.36/30,506,900.75 = 14,674,275.31/x - Step 3: Cross multiply
22,116,774.36x = 30,506,900.75 × 14,674,275.31 - Step 4: Simplify right side
22,116,774.36x = 447,666,660,460,345.50 - Step 5: Solve for x
x = 447,666,660,460,345.50/22,116,774.36 - Step 6: Final answer
x = 20,241,046.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.