Finding the Fourth Proportional to 9,178,822.65, 13,778,840.93 and 4,927,294.65
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Solution
The fourth proportional to 9,178,822.65, 13,778,840.93 and 4,927,294.65 is: 7,396,635.91
Step by Step Solution
- Step 1: Write the proportion equation
9,178,822.65 : 13,778,840.93 = 4,927,294.65 : x - Step 2: Convert to fraction form
9,178,822.65/13,778,840.93 = 4,927,294.65/x - Step 3: Cross multiply
9,178,822.65x = 13,778,840.93 × 4,927,294.65 - Step 4: Simplify right side
9,178,822.65x = 67,892,409,197,590.03 - Step 5: Solve for x
x = 67,892,409,197,590.03/9,178,822.65 - Step 6: Final answer
x = 7,396,635.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.