Finding the Fourth Proportional to 7,078,381.58, 10,565,897.49 and 6,073,958.09
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Solution
The fourth proportional to 7,078,381.58, 10,565,897.49 and 6,073,958.09 is: 9,066,594.93
Step by Step Solution
- Step 1: Write the proportion equation
7,078,381.58 : 10,565,897.49 = 6,073,958.09 : x - Step 2: Convert to fraction form
7,078,381.58/10,565,897.49 = 6,073,958.09/x - Step 3: Cross multiply
7,078,381.58x = 10,565,897.49 × 6,073,958.09 - Step 4: Simplify right side
7,078,381.58x = 64,176,818,484,666.71 - Step 5: Solve for x
x = 64,176,818,484,666.71/7,078,381.58 - Step 6: Final answer
x = 9,066,594.93
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.