Finding the Fourth Proportional to 28,249,011.08, 42,373,910.28 and 8,054,253.08
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Solution
The fourth proportional to 28,249,011.08, 42,373,910.28 and 8,054,253.08 is: 12,081,491.86
Step by Step Solution
- Step 1: Write the proportion equation
28,249,011.08 : 42,373,910.28 = 8,054,253.08 : x - Step 2: Convert to fraction form
28,249,011.08/42,373,910.28 = 8,054,253.08/x - Step 3: Cross multiply
28,249,011.08x = 42,373,910.28 × 8,054,253.08 - Step 4: Simplify right side
28,249,011.08x = 341,290,197,384,333.69 - Step 5: Solve for x
x = 341,290,197,384,333.69/28,249,011.08 - Step 6: Final answer
x = 12,081,491.86
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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.