Finding the Fourth Proportional to 14,339,395.80, 19,788,116.13 and 7,813,079.19
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Solution
The fourth proportional to 14,339,395.80, 19,788,116.13 and 7,813,079.19 is: 10,781,913.02
Step by Step Solution
- Step 1: Write the proportion equation
14,339,395.80 : 19,788,116.13 = 7,813,079.19 : x - Step 2: Convert to fraction form
14,339,395.80/19,788,116.13 = 7,813,079.19/x - Step 3: Cross multiply
14,339,395.80x = 19,788,116.13 × 7,813,079.19 - Step 4: Simplify right side
14,339,395.80x = 154,606,118,344,606.34 - Step 5: Solve for x
x = 154,606,118,344,606.34/14,339,395.80 - Step 6: Final answer
x = 10,781,913.02
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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.