Finding the Fourth Proportional to 9,013,053.13, 12,438,013.26 and 4,938,584.65
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Solution
The fourth proportional to 9,013,053.13, 12,438,013.26 and 4,938,584.65 is: 6,815,246.78
Step by Step Solution
- Step 1: Write the proportion equation
9,013,053.13 : 12,438,013.26 = 4,938,584.65 : x - Step 2: Convert to fraction form
9,013,053.13/12,438,013.26 = 4,938,584.65/x - Step 3: Cross multiply
9,013,053.13x = 12,438,013.26 × 4,938,584.65 - Step 4: Simplify right side
9,013,053.13x = 61,426,181,362,332.46 - Step 5: Solve for x
x = 61,426,181,362,332.46/9,013,053.13 - Step 6: Final answer
x = 6,815,246.78
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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.