Finding the Fourth Proportional to 14,566,667.28, 20,104,024.68 and 8,128,554
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Solution
The fourth proportional to 14,566,667.28, 20,104,024.68 and 8,128,554 is: 11,218,533.87
Step by Step Solution
- Step 1: Write the proportion equation
14,566,667.28 : 20,104,024.68 = 8,128,554 : x - Step 2: Convert to fraction form
14,566,667.28/20,104,024.68 = 8,128,554/x - Step 3: Cross multiply
14,566,667.28x = 20,104,024.68 × 8,128,554 - Step 4: Simplify right side
14,566,667.28x = 163,416,650,228,712.72 - Step 5: Solve for x
x = 163,416,650,228,712.72/14,566,667.28 - Step 6: Final answer
x = 11,218,533.87
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.