Finding the Fourth Proportional to 10,667,266.60, 14,720,866.68 and 5,772,488.20
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Solution
The fourth proportional to 10,667,266.60, 14,720,866.68 and 5,772,488.20 is: 7,966,054.70
Step by Step Solution
- Step 1: Write the proportion equation
10,667,266.60 : 14,720,866.68 = 5,772,488.20 : x - Step 2: Convert to fraction form
10,667,266.60/14,720,866.68 = 5,772,488.20/x - Step 3: Cross multiply
10,667,266.60x = 14,720,866.68 × 5,772,488.20 - Step 4: Simplify right side
10,667,266.60x = 84,976,029,204,073.17 - Step 5: Solve for x
x = 84,976,029,204,073.17/10,667,266.60 - Step 6: Final answer
x = 7,966,054.70
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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.