Finding the Fourth Proportional to 7,908,831.10, 10,913,671.62 and 4,423,565.96
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Solution
The fourth proportional to 7,908,831.10, 10,913,671.62 and 4,423,565.96 is: 6,104,232.81
Step by Step Solution
- Step 1: Write the proportion equation
7,908,831.10 : 10,913,671.62 = 4,423,565.96 : x - Step 2: Convert to fraction form
7,908,831.10/10,913,671.62 = 4,423,565.96/x - Step 3: Cross multiply
7,908,831.10x = 10,913,671.62 × 4,423,565.96 - Step 4: Simplify right side
7,908,831.10x = 48,277,346,276,850.05 - Step 5: Solve for x
x = 48,277,346,276,850.05/7,908,831.10 - Step 6: Final answer
x = 6,104,232.81
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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.