Finding the Fourth Proportional to 15,266,780.80, 22,891,462.08 and 6,280,627.84
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Solution
The fourth proportional to 15,266,780.80, 22,891,462.08 and 6,280,627.84 is: 9,417,358.90
Step by Step Solution
- Step 1: Write the proportion equation
15,266,780.80 : 22,891,462.08 = 6,280,627.84 : x - Step 2: Convert to fraction form
15,266,780.80/22,891,462.08 = 6,280,627.84/x - Step 3: Cross multiply
15,266,780.80x = 22,891,462.08 × 6,280,627.84 - Step 4: Simplify right side
15,266,780.80x = 143,772,754,037,952.28 - Step 5: Solve for x
x = 143,772,754,037,952.28/15,266,780.80 - Step 6: Final answer
x = 9,417,358.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.