Finding the Fourth Proportional to 13,009,039.08, 19,509,549.12 and 8,991,345.12
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Solution
The fourth proportional to 13,009,039.08, 19,509,549.12 and 8,991,345.12 is: 13,484,246.47
Step by Step Solution
- Step 1: Write the proportion equation
13,009,039.08 : 19,509,549.12 = 8,991,345.12 : x - Step 2: Convert to fraction form
13,009,039.08/19,509,549.12 = 8,991,345.12/x - Step 3: Cross multiply
13,009,039.08x = 19,509,549.12 × 8,991,345.12 - Step 4: Simplify right side
13,009,039.08x = 175,417,089,273,512.28 - Step 5: Solve for x
x = 175,417,089,273,512.28/13,009,039.08 - Step 6: Final answer
x = 13,484,246.47
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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.