Finding the Fourth Proportional to 11,470,258.77, 15,828,831.53 and 6,313,509.33
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Solution
The fourth proportional to 11,470,258.77, 15,828,831.53 and 6,313,509.33 is: 8,712,573.75
Step by Step Solution
- Step 1: Write the proportion equation
11,470,258.77 : 15,828,831.53 = 6,313,509.33 : x - Step 2: Convert to fraction form
11,470,258.77/15,828,831.53 = 6,313,509.33/x - Step 3: Cross multiply
11,470,258.77x = 15,828,831.53 × 6,313,509.33 - Step 4: Simplify right side
11,470,258.77x = 99,935,475,516,085.62 - Step 5: Solve for x
x = 99,935,475,516,085.62/11,470,258.77 - Step 6: Final answer
x = 8,712,573.75
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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.