Finding the Fourth Proportional to 10,113,127.76, 15,169,831.65 and 3,289,736.63
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Solution
The fourth proportional to 10,113,127.76, 15,169,831.65 and 3,289,736.63 is: 4,934,650.48
Step by Step Solution
- Step 1: Write the proportion equation
10,113,127.76 : 15,169,831.65 = 3,289,736.63 : x - Step 2: Convert to fraction form
10,113,127.76/15,169,831.65 = 3,289,736.63/x - Step 3: Cross multiply
10,113,127.76x = 15,169,831.65 × 3,289,736.63 - Step 4: Simplify right side
10,113,127.76x = 49,904,750,774,089.18 - Step 5: Solve for x
x = 49,904,750,774,089.18/10,113,127.76 - Step 6: Final answer
x = 4,934,650.48
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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.