Finding the Fourth Proportional to 7,811,336.13, 10,777,312.08 and 5,053,656.71
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Solution
The fourth proportional to 7,811,336.13, 10,777,312.08 and 5,053,656.71 is: 6,972,537.67
Step by Step Solution
- Step 1: Write the proportion equation
7,811,336.13 : 10,777,312.08 = 5,053,656.71 : x - Step 2: Convert to fraction form
7,811,336.13/10,777,312.08 = 5,053,656.71/x - Step 3: Cross multiply
7,811,336.13x = 10,777,312.08 × 5,053,656.71 - Step 4: Simplify right side
7,811,336.13x = 54,464,835,454,969.50 - Step 5: Solve for x
x = 54,464,835,454,969.50/7,811,336.13 - Step 6: Final answer
x = 6,972,537.67
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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.