Finding the Fourth Proportional to 38,756,215.16, 58,132,390.08 and 14,493,358.12
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Solution
The fourth proportional to 38,756,215.16, 58,132,390.08 and 14,493,358.12 is: 21,739,314.44
Step by Step Solution
- Step 1: Write the proportion equation
38,756,215.16 : 58,132,390.08 = 14,493,358.12 : x - Step 2: Convert to fraction form
38,756,215.16/58,132,390.08 = 14,493,358.12/x - Step 3: Cross multiply
38,756,215.16x = 58,132,390.08 × 14,493,358.12 - Step 4: Simplify right side
38,756,215.16x = 842,533,547,800,975.38 - Step 5: Solve for x
x = 842,533,547,800,975.38/38,756,215.16 - Step 6: Final answer
x = 21,739,314.44
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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.