Finding the Fourth Proportional to 57,798,630.64, 86,637,256.48 and 19,446,830.08
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Solution
The fourth proportional to 57,798,630.64, 86,637,256.48 and 19,446,830.08 is: 29,149,825.64
Step by Step Solution
- Step 1: Write the proportion equation
57,798,630.64 : 86,637,256.48 = 19,446,830.08 : x - Step 2: Convert to fraction form
57,798,630.64/86,637,256.48 = 19,446,830.08/x - Step 3: Cross multiply
57,798,630.64x = 86,637,256.48 × 19,446,830.08 - Step 4: Simplify right side
57,798,630.64x = 1,684,820,005,363,938.75 - Step 5: Solve for x
x = 1,684,820,005,363,938.75/57,798,630.64 - Step 6: Final answer
x = 29,149,825.64
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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.