Finding the Fourth Proportional to 12,630,765.50, 17,430,468.74 and 6,829,545.70
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Solution
The fourth proportional to 12,630,765.50, 17,430,468.74 and 6,829,545.70 is: 9,424,779.74
Step by Step Solution
- Step 1: Write the proportion equation
12,630,765.50 : 17,430,468.74 = 6,829,545.70 : x - Step 2: Convert to fraction form
12,630,765.50/17,430,468.74 = 6,829,545.70/x - Step 3: Cross multiply
12,630,765.50x = 17,430,468.74 × 6,829,545.70 - Step 4: Simplify right side
12,630,765.50x = 119,042,182,832,251.41 - Step 5: Solve for x
x = 119,042,182,832,251.41/12,630,765.50 - Step 6: Final answer
x = 9,424,779.74
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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.