Finding the Fourth Proportional to 7,484,487.77, 10,326,641.27 and 4,385,345.99
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Solution
The fourth proportional to 7,484,487.77, 10,326,641.27 and 4,385,345.99 is: 6,050,633.82
Step by Step Solution
- Step 1: Write the proportion equation
7,484,487.77 : 10,326,641.27 = 4,385,345.99 : x - Step 2: Convert to fraction form
7,484,487.77/10,326,641.27 = 4,385,345.99/x - Step 3: Cross multiply
7,484,487.77x = 10,326,641.27 × 4,385,345.99 - Step 4: Simplify right side
7,484,487.77x = 45,285,894,810,003.08 - Step 5: Solve for x
x = 45,285,894,810,003.08/7,484,487.77 - Step 6: Final answer
x = 6,050,633.82
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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.