Finding the Fourth Proportional to 18,569,030.54, 25,624,762.86 and 11,130,894.41
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Solution
The fourth proportional to 18,569,030.54, 25,624,762.86 and 11,130,894.41 is: 15,360,334.99
Step by Step Solution
- Step 1: Write the proportion equation
18,569,030.54 : 25,624,762.86 = 11,130,894.41 : x - Step 2: Convert to fraction form
18,569,030.54/25,624,762.86 = 11,130,894.41/x - Step 3: Cross multiply
18,569,030.54x = 25,624,762.86 × 11,130,894.41 - Step 4: Simplify right side
18,569,030.54x = 285,226,529,547,825.75 - Step 5: Solve for x
x = 285,226,529,547,825.75/18,569,030.54 - Step 6: Final answer
x = 15,360,334.99
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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.