Finding the Fourth Proportional to 42,617,613.16, 58,828,299.72 and 27,934,225.70
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Solution
The fourth proportional to 42,617,613.16, 58,828,299.72 and 27,934,225.70 is: 38,559,714.63
Step by Step Solution
- Step 1: Write the proportion equation
42,617,613.16 : 58,828,299.72 = 27,934,225.70 : x - Step 2: Convert to fraction form
42,617,613.16/58,828,299.72 = 27,934,225.70/x - Step 3: Cross multiply
42,617,613.16x = 58,828,299.72 × 27,934,225.70 - Step 4: Simplify right side
42,617,613.16x = 1,643,323,001,683,962 - Step 5: Solve for x
x = 1,643,323,001,683,962/42,617,613.16 - Step 6: Final answer
x = 38,559,714.63
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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.