Finding the Fourth Proportional to 15,864,858.84, 23,799,406.64 and 6,277,995.36
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Solution
The fourth proportional to 15,864,858.84, 23,799,406.64 and 6,277,995.36 is: 9,417,831.32
Step by Step Solution
- Step 1: Write the proportion equation
15,864,858.84 : 23,799,406.64 = 6,277,995.36 : x - Step 2: Convert to fraction form
15,864,858.84/23,799,406.64 = 6,277,995.36/x - Step 3: Cross multiply
15,864,858.84x = 23,799,406.64 × 6,277,995.36 - Step 4: Simplify right side
15,864,858.84x = 149,412,564,456,673.19 - Step 5: Solve for x
x = 149,412,564,456,673.19/15,864,858.84 - Step 6: Final answer
x = 9,417,831.32
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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.