Finding the Fourth Proportional to 10,811,887.47, 14,918,932.08 and 6,460,053.93
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Solution
The fourth proportional to 10,811,887.47, 14,918,932.08 and 6,460,053.93 is: 8,913,994.53
Step by Step Solution
- Step 1: Write the proportion equation
10,811,887.47 : 14,918,932.08 = 6,460,053.93 : x - Step 2: Convert to fraction form
10,811,887.47/14,918,932.08 = 6,460,053.93/x - Step 3: Cross multiply
10,811,887.47x = 14,918,932.08 × 6,460,053.93 - Step 4: Simplify right side
10,811,887.47x = 96,377,105,814,807.08 - Step 5: Solve for x
x = 96,377,105,814,807.08/10,811,887.47 - Step 6: Final answer
x = 8,913,994.53
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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.