Finding the Fourth Proportional to 15,461,642.14, 21,337,323.14 and 8,492,964.08
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Solution
The fourth proportional to 15,461,642.14, 21,337,323.14 and 8,492,964.08 is: 11,720,431.59
Step by Step Solution
- Step 1: Write the proportion equation
15,461,642.14 : 21,337,323.14 = 8,492,964.08 : x - Step 2: Convert to fraction form
15,461,642.14/21,337,323.14 = 8,492,964.08/x - Step 3: Cross multiply
15,461,642.14x = 21,337,323.14 × 8,492,964.08 - Step 4: Simplify right side
15,461,642.14x = 181,217,118,905,918.56 - Step 5: Solve for x
x = 181,217,118,905,918.56/15,461,642.14 - Step 6: Final answer
x = 11,720,431.59
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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.