Finding the Fourth Proportional to 42,242,681.21, 58,288,241.29 and 24,604,486.57
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Solution
The fourth proportional to 42,242,681.21, 58,288,241.29 and 24,604,486.57 is: 33,950,313.02
Step by Step Solution
- Step 1: Write the proportion equation
42,242,681.21 : 58,288,241.29 = 24,604,486.57 : x - Step 2: Convert to fraction form
42,242,681.21/58,288,241.29 = 24,604,486.57/x - Step 3: Cross multiply
42,242,681.21x = 58,288,241.29 × 24,604,486.57 - Step 4: Simplify right side
42,242,681.21x = 1,434,152,250,184,663.75 - Step 5: Solve for x
x = 1,434,152,250,184,663.75/42,242,681.21 - Step 6: Final answer
x = 33,950,313.02
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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.