Finding the Fourth Proportional to 14,228,488.62, 21,329,655.08 and 5,128,359.08
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Solution
The fourth proportional to 14,228,488.62, 21,329,655.08 and 5,128,359.08 is: 7,687,824.98
Step by Step Solution
- Step 1: Write the proportion equation
14,228,488.62 : 21,329,655.08 = 5,128,359.08 : x - Step 2: Convert to fraction form
14,228,488.62/21,329,655.08 = 5,128,359.08/x - Step 3: Cross multiply
14,228,488.62x = 21,329,655.08 × 5,128,359.08 - Step 4: Simplify right side
14,228,488.62x = 109,386,130,170,496.06 - Step 5: Solve for x
x = 109,386,130,170,496.06/14,228,488.62 - Step 6: Final answer
x = 7,687,824.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.