Finding the Fourth Proportional to 19,565,071.08, 29,332,171.80 and 12,361,421.16
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Solution
The fourth proportional to 19,565,071.08, 29,332,171.80 and 12,361,421.16 is: 18,532,379.86
Step by Step Solution
- Step 1: Write the proportion equation
19,565,071.08 : 29,332,171.80 = 12,361,421.16 : x - Step 2: Convert to fraction form
19,565,071.08/29,332,171.80 = 12,361,421.16/x - Step 3: Cross multiply
19,565,071.08x = 29,332,171.80 × 12,361,421.16 - Step 4: Simplify right side
19,565,071.08x = 362,587,329,157,275.31 - Step 5: Solve for x
x = 362,587,329,157,275.31/19,565,071.08 - Step 6: Final answer
x = 18,532,379.86
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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.