Finding the Fourth Proportional to 20,804,567.65, 31,206,948.68 and 7,341,395.65
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Solution
The fourth proportional to 20,804,567.65, 31,206,948.68 and 7,341,395.65 is: 11,012,127.77
Step by Step Solution
- Step 1: Write the proportion equation
20,804,567.65 : 31,206,948.68 = 7,341,395.65 : x - Step 2: Convert to fraction form
20,804,567.65/31,206,948.68 = 7,341,395.65/x - Step 3: Cross multiply
20,804,567.65x = 31,206,948.68 × 7,341,395.65 - Step 4: Simplify right side
20,804,567.65x = 229,102,557,252,418.28 - Step 5: Solve for x
x = 229,102,557,252,418.28/20,804,567.65 - Step 6: Final answer
x = 11,012,127.77
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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.