Finding the Fourth Proportional to 9,572,885.99, 13,210,566.65 and 5,221,972.29
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Solution
The fourth proportional to 9,572,885.99, 13,210,566.65 and 5,221,972.29 is: 7,206,313.02
Step by Step Solution
- Step 1: Write the proportion equation
9,572,885.99 : 13,210,566.65 = 5,221,972.29 : x - Step 2: Convert to fraction form
9,572,885.99/13,210,566.65 = 5,221,972.29/x - Step 3: Cross multiply
9,572,885.99x = 13,210,566.65 × 5,221,972.29 - Step 4: Simplify right side
9,572,885.99x = 68,985,212,981,498.13 - Step 5: Solve for x
x = 68,985,212,981,498.13/9,572,885.99 - Step 6: Final answer
x = 7,206,313.02
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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.