Finding the Fourth Proportional to 9,768,389.36, 14,654,700.16 and 2,944,391.76
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Solution
The fourth proportional to 9,768,389.36, 14,654,700.16 and 2,944,391.76 is: 4,417,225.48
Step by Step Solution
- Step 1: Write the proportion equation
9,768,389.36 : 14,654,700.16 = 2,944,391.76 : x - Step 2: Convert to fraction form
9,768,389.36/14,654,700.16 = 2,944,391.76/x - Step 3: Cross multiply
9,768,389.36x = 14,654,700.16 × 2,944,391.76 - Step 4: Simplify right side
9,768,389.36x = 43,149,178,396,374.68 - Step 5: Solve for x
x = 43,149,178,396,374.68/9,768,389.36 - Step 6: Final answer
x = 4,417,225.48
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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.