Finding the Fourth Proportional to 28,195,831.40, 42,246,507.90 and 24,133,260.20
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Solution
The fourth proportional to 28,195,831.40, 42,246,507.90 and 24,133,260.20 is: 36,159,457.52
Step by Step Solution
- Step 1: Write the proportion equation
28,195,831.40 : 42,246,507.90 = 24,133,260.20 : x - Step 2: Convert to fraction form
28,195,831.40/42,246,507.90 = 24,133,260.20/x - Step 3: Cross multiply
28,195,831.40x = 42,246,507.90 × 24,133,260.20 - Step 4: Simplify right side
28,195,831.40x = 1,019,545,967,692,055.50 - Step 5: Solve for x
x = 1,019,545,967,692,055.50/28,195,831.40 - Step 6: Final answer
x = 36,159,457.52
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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.