Finding the Fourth Proportional to 13,246,713.45, 19,877,779.41 and 5,569,802.10
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Solution
The fourth proportional to 13,246,713.45, 19,877,779.41 and 5,569,802.10 is: 8,357,944.63
Step by Step Solution
- Step 1: Write the proportion equation
13,246,713.45 : 19,877,779.41 = 5,569,802.10 : x - Step 2: Convert to fraction form
13,246,713.45/19,877,779.41 = 5,569,802.10/x - Step 3: Cross multiply
13,246,713.45x = 19,877,779.41 × 5,569,802.10 - Step 4: Simplify right side
13,246,713.45x = 110,715,297,501,154.75 - Step 5: Solve for x
x = 110,715,297,501,154.75/13,246,713.45 - Step 6: Final answer
x = 8,357,944.63
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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.