Finding the Fourth Proportional to 12,854,928.09, 19,272,246.48 and 6,373,534.59
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Solution
The fourth proportional to 12,854,928.09, 19,272,246.48 and 6,373,534.59 is: 9,555,271.62
Step by Step Solution
- Step 1: Write the proportion equation
12,854,928.09 : 19,272,246.48 = 6,373,534.59 : x - Step 2: Convert to fraction form
12,854,928.09/19,272,246.48 = 6,373,534.59/x - Step 3: Cross multiply
12,854,928.09x = 19,272,246.48 × 6,373,534.59 - Step 4: Simplify right side
12,854,928.09x = 122,832,329,567,285.75 - Step 5: Solve for x
x = 122,832,329,567,285.75/12,854,928.09 - Step 6: Final answer
x = 9,555,271.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.