Finding the Fourth Proportional to 34,632,779.06, 47,793,291.09 and 19,163,515.70
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Solution
The fourth proportional to 34,632,779.06, 47,793,291.09 and 19,163,515.70 is: 26,445,682.65
Step by Step Solution
- Step 1: Write the proportion equation
34,632,779.06 : 47,793,291.09 = 19,163,515.70 : x - Step 2: Convert to fraction form
34,632,779.06/47,793,291.09 = 19,163,515.70/x - Step 3: Cross multiply
34,632,779.06x = 47,793,291.09 × 19,163,515.70 - Step 4: Simplify right side
34,632,779.06x = 915,887,484,157,885.12 - Step 5: Solve for x
x = 915,887,484,157,885.12/34,632,779.06 - Step 6: Final answer
x = 26,445,682.65
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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.