Finding the Fourth Proportional to 9,572,235.99, 13,209,726.74 and 5,221,417.11
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Solution
The fourth proportional to 9,572,235.99, 13,209,726.74 and 5,221,417.11 is: 7,205,578.01
Step by Step Solution
- Step 1: Write the proportion equation
9,572,235.99 : 13,209,726.74 = 5,221,417.11 : x - Step 2: Convert to fraction form
9,572,235.99/13,209,726.74 = 5,221,417.11/x - Step 3: Cross multiply
9,572,235.99x = 13,209,726.74 × 5,221,417.11 - Step 4: Simplify right side
9,572,235.99x = 68,973,493,192,553.44 - Step 5: Solve for x
x = 68,973,493,192,553.44/9,572,235.99 - Step 6: Final answer
x = 7,205,578.01
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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.