Finding the Fourth Proportional to 19,979,095.36, 29,956,507.20 and 7,834,008.08
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Solution
The fourth proportional to 19,979,095.36, 29,956,507.20 and 7,834,008.08 is: 11,746,253.53
Step by Step Solution
- Step 1: Write the proportion equation
19,979,095.36 : 29,956,507.20 = 7,834,008.08 : x - Step 2: Convert to fraction form
19,979,095.36/29,956,507.20 = 7,834,008.08/x - Step 3: Cross multiply
19,979,095.36x = 29,956,507.20 × 7,834,008.08 - Step 4: Simplify right side
19,979,095.36x = 234,679,519,453,378.19 - Step 5: Solve for x
x = 234,679,519,453,378.19/19,979,095.36 - Step 6: Final answer
x = 11,746,253.53
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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.