Finding the Fourth Proportional to 13,211,831.68, 19,816,785.36 and 5,927,547.04
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Solution
The fourth proportional to 13,211,831.68, 19,816,785.36 and 5,927,547.04 is: 8,890,888.88
Step by Step Solution
- Step 1: Write the proportion equation
13,211,831.68 : 19,816,785.36 = 5,927,547.04 : x - Step 2: Convert to fraction form
13,211,831.68/19,816,785.36 = 5,927,547.04/x - Step 3: Cross multiply
13,211,831.68x = 19,816,785.36 × 5,927,547.04 - Step 4: Simplify right side
13,211,831.68x = 117,464,927,402,983.33 - Step 5: Solve for x
x = 117,464,927,402,983.33/13,211,831.68 - Step 6: Final answer
x = 8,890,888.88
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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.