Finding the Fourth Proportional to 38,725,831.08, 58,052,661.12 and 13,149,352.08
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Solution
The fourth proportional to 38,725,831.08, 58,052,661.12 and 13,149,352.08 is: 19,711,775.29
Step by Step Solution
- Step 1: Write the proportion equation
38,725,831.08 : 58,052,661.12 = 13,149,352.08 : x - Step 2: Convert to fraction form
38,725,831.08/58,052,661.12 = 13,149,352.08/x - Step 3: Cross multiply
38,725,831.08x = 58,052,661.12 × 13,149,352.08 - Step 4: Simplify right side
38,725,831.08x = 763,354,880,247,807.12 - Step 5: Solve for x
x = 763,354,880,247,807.12/38,725,831.08 - Step 6: Final answer
x = 19,711,775.29
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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.